CHAPTER ONE: GENESIS
In October 2006, people around the world discover that they have superpowers. High school student Claire Bennet finds herself spontaneously regenerating. Heroin addict Isaac Mendez can precognitively paint future events, including a nuclear explosion in New York City. Japanese office worker Hiro Nakamura is able to teleport and time travel. Nurse Peter Petrelli experiences visions that convince him he can fly. Indian scientist Mohinder Suresh travels to New York to continue his recently deceased father's work by finding these people. A mobster named Daniel Linderman sends two men to Niki Sanders's home to collect a loan that she has not repaid. Niki blacks out and later finds the men dead.

CHAPTER TWO: DON'T LOOK BACK
Hiro time travels more than a month into the future of New York City; there he finds Isaac dead, and witnesses a nuclear explosion. Politician Nathan Petrelli tries to dismiss his recent self-propelled flight, and lies to his brother Peter about it. Policeman Matt Parkman uses his telepathic powers to find a girl named Molly Walker, whose parents have been recently murdered by a serial killer called Sylar.

CHAPTER THREE: ONE GIANT LEAP
Peter begins to date Isaac's ex-girlfriend Simone. Hiro returns to the present and seeks the help of his friend, Ando Masahashi, to save New York from the upcoming explosion. Mohinder, who has been working with his father's neighbor Eden, discovers that Sylar was connected to his father. Claire's classmate Brody attempts to rape her and accidentally kills her in the process.

CHAPTER FOUR: COLLISION
Matt is kidnapped by Claire's father and a Haitian. Hiro and Ando gamble in Vegas using Hiro's ability to freeze time, but are soon evicted from the hotel and assaulted by their opponents. Niki's alter ego Jessica has sex with Nathan to repay her debt to Linderman. After she regenerates from her mortal injuries, Claire intentionally takes Brody for a car ride into a brick wall.

CHAPTER FIVE: HIROS
A Hiro from the future,who can speak English fluently,appears to Peter. He instructs Peter to save a cheerleader in order to save the world. Niki has no memories of the night before. Claire tells her father about Brody and her father secretly instructs the Haitian to erase Brody's mind.

CHAPTER SIX: BETTER HALVES
Mohinder gives up searching for superhumans and returns to India. Niki's husband D.L. Hawkins, who can phase through solid objects, returns after breaking out of prison. He takes his son Micah Sanders from Niki, whom he thinks framed him for murder.

CHAPTER SEVEN: NOTHING TO HIDE
Matt works with the FBI to identify Sylar. They interrogate Ted Sprague, who can emit radiation. Parkman, by telepathy, accidentally finds out that his wife is cheating on him. Micah Sanders is revealed to have the power of technopathy.

CHAPTER EIGHT: SEVEN MINUTES TO MIDNIGHT
Hiro and Ando meet diner waitress Charlie Andrews, who can perfectly remember everything that she has learned. Charlie is killed by Sylar shortly afterwards, and Hiro goes back in time to save her. In India, a mysterious boy visits Mohinder in his dreams, causing him to consider resuming his father's research. With Isaac now in his custody, Bennet learns that Claire will soon be killed by Sylar.

CHAPTER NINE: HOMECOMING
Peter, despite warnings pointing to his death, rushes to the aid of the cheerleader, despite being convinced he is powerless alone. Claire's father forbids his daughter to go to Homecoming, fearing that she will be killed. Claire sneaks out, and is attacked by Sylar, but is rescued by Peter, who manages to hold him off before falling, dying and subsequently regenerating. Mohinder decides to continue his father's work.

CHAPTER TEN: SIX MONTHS AGO
Most of the events in this episode take place six months prior to the events in the previous episode. Hiro seeks to change Charlie's death by going back in time, but finds out that her death is inevitable she has a blood clot in her brain. Suresh's father meets Gabriel Gray and runs some tests on him. Gabriel adopts the name of Sylar and kills people to take their abilities. Hiro returns to the present.

CHAPTER ELEVEN: FALLOUT
Matt and the FBI investigate the Homecoming killing at Claire's school, having arrested Peter at the scene. When Matt tries to read Claire's mind he cannot because the Haitian is blocking his telepathy. Later, Matt tries listening in on Bennet with the same results, but does hear one word: "Sylar". Unbeknownst to the investigators, Sylar has already been captured by Bennet. The Haitian is ordered by Bennet to erase memories from Claire, her mother, her brother, and one of her friends, pertaining to her regenerative abilities. The Haitian does not erase Claire's memory, instead swearing her to secrecy. Niki turns herself in to the police to protect DL and Micah from Jessica. After being released from custody, Peter collapses in front of the police station and experiences a vision suggesting he is the cause of the atomic explosion in New York. When trying to explain his vision to Nathan, he falls into a coma.

CHAPTER TWELVE: GODSEND
Hiro goes on a quest to retrieve the sword of Feudal Japanese hero, Takezo Kensei, after meeting with Isaac and seeing his paintings. Peter has more visions of himself exploding and there is a man whom he does not know in his new visions. Peter later meets this man, who calls himself Claude Rains. Claude can become invisible. Parkman and the FBI go to the Texan paper company where Bennet works with the hope of finding Sylar, but they cannot find him.

CHAPTER THIRTEEN: THE FIX
Claude agrees to teach Peter how to control his powers. Matt's wife reveals that she is pregnant. Claire contacts her biological mother Meredith Gordon, who possesses pyrokinesis.

CHAPTER FOURTEEN: DISTRACTIONS
Sylar escapes from Bennet's captivity. Claude is convinced that Peter's loved ones are distracting him. To prove this, they follow Simone who kisses Isaac. Claire meets Meredith in person. Isaac contacts Bennet, whom he had previously met, to tell him about a painting that he had finished that shows Peter becoming invisible.

CHAPTER FIFTEEN: RUN!
Meredith informs Claire's biological father,Nathan, that Claire is alive. Meredith blackmails him for $100,000 by agreeing to keep quiet about this, as it could ruin his political career. Linderman gets Niki/Jessica out of prison and employs her as an assassin. Her first job is to kill a man (who has employed Parkman as his bodyguard after he is dismissed from the police force) who stole money from Linderman. Jessica is successful and is told her next target: Nathan. Mohinder unknowingly allows Sylar, who is now impersonating Zane Taylor, to join him on his quest to find those with superpowers.

CHAPTER SIXTEEN: UNEXPECTED
Bennet and the Haitian pursue Peter and leave a gun with Isaac. Claude leaves Peter because he does not want to become involved with Bennet again. Ted and Parkman agree to go get answers from Bennet. Peter confronts Isaac about his betrayal and Simone is accidentally shot and killed.

CHAPTER SEVENTEEN: COMPANY MAN
Matt and Ted take the Bennet family hostage. Ted loses control of his powers and burns the Bennets' house. In flashbacks, Bennet is given Claire on the condition that he return her to the Company that he works for (that includes Hiro's father Kaito) if her powers manifest. Bennet explains this as the reason why he is so protective of Claire. Bennet orders the Haitian to escape with Claire.

CHAPTER EIGHTEEN: PARASITE
Claire and the Haitian go to the house of Nathan and Peter's mother, Angela who is also Claire's grandmother. Jessica/Niki returns to her home with D.L. and Micah. Hiro steals the sword that he has been seeking. Ando come back to assist Hiro. Hiro successfully gains back his teleporting power and immediately transporting he and Ando to the future. Isaac paints pictures of himself with his head cut open after being killed by Sylar. Sylar attacks Mohinder and Peter. Bennet is deceived by Candice Wilmer, who works for the Company and has the ability to change her appearance. Nathan confronts Linderman, who promises Nathan that he will win the upcoming election for congress and will be living in the White House in a few years.

CHAPTER NINETEEN: .07%
Linderman reveals that his plan for Nathan includes Peter exploding. Linderman also shows Nathan one of Isaac's paintings, in which Nathan is the President of the United States. Peter and Suresh escape from Sylar, but Peter is killed. Mohinder takes him to the Petrelli's house where Claire now is and who ends up reviving Peter. Claire meet his biological father, Nathan for the first time. Suresh joins the Company. Sylar kills Isaac and paints a picture of himself in which he is the President. Candice morphs into Niki and takes Micah to Linderman. Ted, Matt and Bennet escape from the Company's captivity and decide to disable the Company's Walker Tracking System in New York. Hiro and Ando who in New York 5 years ahead go to Isaac house and eventually meet another Hiro.

CHAPTER TWENTY: FIVE YEARS GONE
Hiro and Ando find themselves five years after the destruction of New York. People with extraordinary abilities are labeled as terrorists and Sylar has assumed the form of Nathan and is the President. Hiro and Ando eventually return to the present with the help of future Peter and Hiro finds out that he must kill Sylar to prevent the potential future that they had just visited from happening.

CHAPTER TWENTY-ONE: THE HARD PART
Mohinder is introduced to Molly, who can normally locate any individual, but she has the Shanti Virus that killed Mohinder's sister many years before. Mohinder uses his own blood to cure Molly. D.L. and Jessica go to Linderman's office. Hiro and Ando follow Sylar to Sylar's mother's house ,where Sylar accidentally kills his own mother. Ted, Matt and Bennet arrive in New York and reunite with Claire and Peter. Peter gains Ted's radioactive power.

CHAPTER TWENTY-TWO: LANDSLIDE
Hiro's father teaches Hiro how to use a sword. Candice gets Micah to rig the election for Nathan to win. D.L. kills Linderman, but is shot in the process. Sylar kills Ted. Hiro prepares to face Sylar. Matt and Bennet find the Company's Walker Tracking System: Molly Walker.

CHAPTER TWENTY-THREE: HOW TO STOP AN EXPLODING MAN
Niki and Jessica come to peace as they rescue Micah. Hiro teleports Ando back to Japan to keep him safe. The Heroes face off against Sylar. Matt gets four bullets to his chest, Hiro stabs Sylar before teleporting to 1671 Japan and Nathan flies Peter high above New York to detonate.

CHAPTER ONE: FOUR MONTHS LATER...
The evolved humans who once banded together to save the world from Sylar are adapting to their new lives. In feudal Japan, Hiro meets Takezo Kensei. Matt takes his detective exam, and, along with Mohinder, has taken Molly into his care. Kaito Nakamura and Angela Petrelli learn of a threat upon their lives, while Angela's son Nathan is taking Peter's death badly. While Maya and Alejandro are on the run, Peter wakes up in a suprising location. Claire tries not to be noticed in California, while Noah Bennet and Mohinder plan to finally take down the Company.

CHAPTER TWO: LIZARDS
More questions are asked as fewer answers are found. Ando and Matt try to find answers to Kaito's death, while Angela avoids death. Mohinder helps contain the deadly virus. Peter discovers more about himself in Ireland, while Maya and Alejandro finds more questions about themselves. Noah begins his journey to bring down the Company with a familiar friend.

CHAPTER THREE: KINDRED
Old friends appear again. Sylar finds himself in an illusive situation. Hiro finds a way to talk to his friend in the future. Maya makes a tough decision to save Alejandro, while Peter works to gain his identity back. Takezo Kensei works to gain his heroic title. Claire finds out she can share her secret with West. Mohinder and Noah make a shocking discovery from a dead artist.

CHAPTER FOUR: THE KINDNESS OF STRANGERS
Angela confesses to a murder. Claire and West spend some time together. Nathan begins to put his life back together. Matt learns Molly's "Nightmare Man" is someone familiar. Maya and Alejandro pick up a stranger to whom they can relate. Micah's cousin takes care of their New Orleans family. Noah becomes suspicious of his daughter.

CHAPTER FIVE: FIGHT OR FLIGHT
Matt and Nathan try to find answers when they head to Philadelphia. Hiro continues his journey with Kensei in feudal Japan. Monica and Micah explore her new-found ability. Mohinder looks to help Molly, while dealing with other evolved humans. Peter finds new abilities. A mysterious woman seeks out a hero at any cost.

CHAPTER SIX: THE LINE
Peter and Caitlin find the door in Montreal that Peter painted. Noah and the Haitian continue their quest to find Isaac's last paintings. Mohinder fights a difficult decision while working for the Company. Maya, Alejandro and Sylar move closer to America, but find the journey difficult. Hiro and Kensei battle enemies and themselves in order to save their love. West helps Claire make the cheerleading team.

CHAPTER SEVEN: OUT OF TIME
Peter and Caitlin discover more about the future. Matt faces his father to save Molly. Niki and Mohinder get their first assignment. Claire and West have a fight. Nathan learns from Bob about the past. Hiro takes control of destiny to save history.

CHAPTER EIGHT: FOUR MONTHS AGO...
Adam helps Peter remember the past. Nathan begins a seemingly impossible recovery from the explosion. Niki, DL, and Micah share a short reunion. Bob, Elle, and the Haitian help and hinder a few of our heroes. Maya and Alejandro first manifest their devastating abilities.

CHAPTER NINE: CAUTIONARY TALES
Noah tries to save Claire and his family. Hiro attempts to save his father and learns a horrible truth. Matt turns to his ability to get what he wants. Elle, Bob, and Mohinder go on a mission.

CHAPTER TEN: TRUTH & CONSEQUENCES
Claire and her family try to move on. Mohinder tries to find a cure for Niki's mutated virus. Monica uses her ability to become a hero. Sylar's manipulation of Maya and Alejandro takes a devastating turn. Peter and Adam find some answers. Hiro and Ando learn more about the past. Niki reunites with Micah.

CHAPTER ELEVEN: POWERLESS
Peter tries to prevent a dark future. Nathan and Matt find Adam's intentions. Sylar holds Maya, Mohinder and Molly hostage. Elle tries to regain her father's trust. Hiro's quest to avenge his father's killer comes to a climax. Niki and Micah try to save Monica. Claire's plans hit a road bump with Noah's return.

CHAPTER ONE: THE SECOND COMING
The man who shot Nathan is revealed. Nathan is visited in the hospital by a familiar face. Hiro receives a message from his father and meets a "speedster". Claire is visited by Sylar. Matt is sent against his will to a distant location. Mohinder learns something amazing because of Maya. Hiro sees his death by an unlikely person.

CHAPTER TWO: THE BUTTERFLY EFFECT
After Sylar murders Bob, Noah and many prisoners of Level 5 escape thanks to Elle. Tracy's power is revealed. Angela takes control of the Company. Mohinder experiences the side effects of his new found abilities. Meredith returns to protect Claire.

CHAPTER THREE: ONE OF US, ONE OF THEM
Angela sends Noah and his new partner, Sylar, to stop a bank heist led by Knox. Tracy tries to find answers about Niki, which leads her to Micah. Hiro loses the second half of an important formula to Daphne. Claire asks Meredith to teach her how to fight.

CHAPTER FOUR: I AM BECOME DEATH
Tracy learns the secrets of her past, and her connection to Niki. Peter travels to the future, where he gains a dangerous new ability. Matt has visions of this same future, seeing a woman that he will one day have a child with. Hiro and Ando, looking for answers, free Adam Monroe from his grave.

CHAPTER FIVE: ANGELS AND MONSTERS
Nathan learns a secret from his past, that ties him even closer to Tracy. Hiro tries to befriend Daphne. Arthur Petrelli is revealed, and he works to recruit people to his cause using Maury Parkman's ability. Claire hunts after a villain herself, only to find how ruthless her father can be on his missions.

CHAPTER SIX: DYING OF THE LIGHT
Arthur Petrelli reveals his ability. Matt tries to forge a relationship with Daphne as she works to recruit for the Pinehearst Company. Hiro and Ando search for Usutu. Claire and Sandra try to save Meredith from the clutches of Eric Doyle.

CHAPTER SEVEN: ERIS QUOD SUM
Peter Petrelli attempts to escape the Pinehearst Company. Matt saves Daphne, as she works to recruit him for the Pinehearst Company. Hiro and Ando begin a spirit journey with Usutu. Claire and Elle travel to the Pinehearst Company for help. Mohinder works to perfect the Company's formula.

CHAPTER EIGHT: VILLAINS
Hiro has a vision of the past, showing how villains Arthur, Sylar, and Flint became the way they are. Thompson captures Meredith, forcing her to become an agent for the Company. Angela Petrelli learns the truth of Arthur and Linderman's schemes. Noah and Elle track Sylar, and help shape his transformation into a monster.

CHAPTER NINE: IT'S COMING
Ando tries to help Hiro regain his memories after they are wiped by Arthur. Nathan and Tracy confront Arthur. Knox and Flint chase after Peter and Claire, hoping to forcefully recruit Claire to the Pinehearst Company. Sylar reunites with Elle and learns an amazing truth about his abilities. Matt and Daphne try to awaken Angela from her coma.

CHAPTER TEN: THE ECLIPSE, PART 1
Arthur braces himself for something he cannot control. Peter and Nathan go after the Haitian. Sylar and Elle are sent to retrieve the catalyst. An eclipse has an unwelcome effect. Hiro and Ando continue their quest to repair Hiro's memories. Matt learns something about Daphne.

CHAPTER ELEVEN: THE ECLIPSE, PART 2
The eclipse ends. Noah plays a game of cat and mouse with Sylar and Elle. Hiro doesn't want to grow up. Mohinder rebels against Arthur. Peter and Nathan help the Haitian face Baron Samedi. Matt helps Daphne reconcile with her father.

CHAPTER TWELVE: OUR FATHER
In 1991, Claire and Hiro witness Kaito Nakamura, giving baby Claire to Noah, finding out the origins about the catalyst. Nathan takes command of Pinehearst's operations, with Tracy helping him. Sylar pays a visit to a living lie detector to find truth about his parentage. Peter and The Haitian go to Pinehearst to confront his father. Matt, Daphne and Ando seek Isaac's last issue of 9th Wonders.

CHAPTER THIRTEEN: DUAL
After the death of their father, Nathan and Peter have a confrontation over the formula. Matt, Daphne and Ando try to save Hiro by giving Ando an ability. Sylar, wanting information about his parentage, takes Angela, Claire, Noah and Meredith hostage at Primatech, and Mohinder finally rids himself of his ability.

CHAPTER ONE: A CLEAR AND PRESENT DANGER
After the destruction of Primatech and Pinehearst, the Heroes attempt to lead normal lives until Nathan initiates his plan to round up all people with abilities. Meanwhile, Sylar begins the search for his real parents.

CHAPTER TWO: TRUST AND BLOOD
A series of unexpected events makes the evolved human fugitives on the run from Nathan and the Hunter. Elsewhere, Sylar encounters an outcast with an ability of his own and information on the whereabouts of Sylar's father.

CHAPTER THREE: BUILDING 26
Nathan begins to worry about his plans being exposed when Homeland Security investigates him. The Heroes receive help from a mysterious ally known only as "Rebel." Sylar goes on a road trip to find his father with assistance from Luke, unaware of their pursuit by the Hunter's men.

CHAPTER FOUR: COLD WARS
Peter, Mohinder, and Matt capture Noah and telepathically interrogate him. It's revealed how Nathan recruited Noah into the government operation. Noah and Danko come to an arrangement on working together.

CHAPTER FIVE: EXPOSED
Acting on a tip from "Rebel", Peter and Matt race to Building 26 to rescue Daphne and discover evidence that could expose the plan to capture those with abilities. Claire receives help from an unlikely source in smuggling Alex out of the city. Meanwhile, Sylar uncovers memories of his father that to the truth about his mother.

CHAPTER SIX: SHADES OF GRAY
Sylar finally meets his long-lost father, but the reunion is not what he expected. Claire must decide whether or not to help Eric Doyle. The Hunter attempts to learn the secrets of the Petrelli family hoping to take control of Nathan's operation.

CHAPTER SEVEN: COLD SNAP
The identity of "Rebel" is revealed with chilling consequences for Tracy. Angela turns to an old friend for help. Hiro and Ando continue their mission to protect the newest hero.

CHAPTER EIGHT: INTO ASYLUM
Danko, now head of the government operation, teams up with an unlikely ally. Claire and Nathan hide in Mexico. Angela and Peter take refuge in a church, and attempt to mend their relationship.

CHAPTER NINE: TURN AND FACE THE STRANGE
Someone close to Danko is put in the line of fire. Hiro and Ando have a special delivery for Matt. Angela unearths the demons of her past.

CHAPTER TEN: 1961
As Nathan, Claire, Peter and H.R.G. help Angela uncover her past, she reveals the dark secrets that have haunted her for years. Meanwhile, Mohinder learns of his fathers involvement in a long forgotten government operation.

CHAPTER ELEVEN: I AM SYLAR
Sylar starts to have an identity crisis while Hiro and Ando tries to take down Building 26. Matt and Matt, Jr. reunite with Janice and faced with the threat of Danko's agents, Rebel gets help from an unlikely ally.

CHAPTER TWELVE: AN INVISIBLE THREAD
Nathan tries to protect the President from Sylar, who has plans for Danko. Hiro learns of repercussions in regaining his abilities. Matt is faced with going to extraordinary lengths to protect his family.

CHAPTER ONE, PART ONE: ORIENTATION
While Claire adapts to her normal life in college, Peter is using his ability to save others. Sylar, haunting Matt through visions, starts to emerge from Nathan's body, alerting Angela. A new group of evolved humans, led by Samuel Sullivan, recover from a recent loss. Tracy seeks to continue her killing spree, until Noah intervenes.

CHAPTER ONE, PART TWO: JUMP, PUSH, FALL
A dying Hiro goes back in time to fix a mistake, leading to an encounter with a future ally. Claire finds herself involved in a recent murder, while her father investigates a recent attack with the aid of Tracy. Meanwhile, Sylar continues taunting Matt, risking his ideal normal life.

CHAPTER TWO: INK
Peter meets Samuel under "heroic" circumstances, while a new hero is introduced. Claire makes a surprising decision regarding her secret, while Matt uses his own gift against his moral code, supported by visions of Sylar.

CHAPTER THREE: ACCEPTANCE
Tracy makes decisions regarding her previous life, while Noah seeks a new path with Claire's aid. Nathan uncovers secrets from his past. Hiro desperately attempts to save the life of a co-worker, while Samuel looks for new family members.

CHAPTER FOUR: HYSTERICAL BLINDNESS
Sylar wakes up with no memories. Claire discovers that there is more to her new roommate than what she already knows. Peter helps Emma to better understand her ability. Samuel seeks out a new member to the carnival family.

CHAPTER FIVE: TABULA RASA
Sylar starts his journey to rediscover himself with the help of Samuel. Hiro shows Emma how to accept her ability and the possibilities it brings. Peter enlists Noah's help in finding a healer to save Hiro.

CHAPTER SIX: STRANGE ATTRACTORS
Matt looks for a way to get rid of Sylar after he learns to take control of his body. Noah enlists the help of Tracy in order to help free Jeremy from the police. Claire is concerned that someone wants to eliminate Gretchen during a treasure hunt for their sorority.

CHAPTER SEVEN: ONCE UPON A TIME IN TEXAS
Hiro travels three years into the past to save Charlie's life from the hands of Sylar, only to have things complicated by Samuel's presence. Meanwhile something from Noah's past is revealed.

CHAPTER EIGHT: SHADOWBOXING
Though Peter's new ability is helpful in his job, it is trying on him until he uses it to help Emma. Claire learns that the sorority rush attack happened because of something her father did. Sylar's battle to control Matt's body moves into dangerous territory.

CHAPTER NINE: BROTHER'S KEEPER
Samuel learns just how powerful he can become and takes dangerous measures to reach his full potential. Meanwhile, as Tracy begins to lose control of her ability, one of her own comes in harm's way. Elsewhere, Sylar continues his battle with Matt.

CHAPTER TEN: THANKSGIVING
Noah hosts a non-traditional Thanksgiving dinner. Elsewhere, the Petrelli family gets a surprise guest at their table. Meanwhile, Samuel continues to hold Hiro hostage, as Lydia goes in search for the truth.

CHAPTER ELEVEN: THE FIFTH STAGE
Noah is greeted by some unexpected visitors and Samuel's grand plan begins to come to fruition. Meanwhile, Peter struggles to accept the truth and takes extreme measures to get what he wants. Elsewhere, Claire's journey leads her to an unexpected destination.

CHAPTER TWELVE: UPON THIS ROCK
As Claire becomes immersed into the world of the carnival, she becomes increasingly suspicious of Samuel's motives. Hiro is on a mission to rescue one of his own, but has difficulty communicating his intentions to Ando. Samuel has his sight set on Emma and her ability to complete his master plan.

CHAPTER THIRTEEN: LET IT BLEED
Meanwhile, Sylar returns to the carnival in search of answers and Peter continues to struggle with the loss of his brother. Elsewhere, Noah sets his plan in motion to take down the carnival.

CHAPTER FOURTEEN: CLOSE TO YOU
Noah recruits Matt to help him take down Samuel, as they use his long-lost love, Vanessa, to lure him to them, but Samuel has his own plans for Vanessa in the works. Meanwhile, Hiro and Ando go to extreme lengths to save Dr. Suresh. Elsewhere, Peter's introduction of Emma to his mother brings forth visions of a very grim future.

CHAPTER FIFTEEN: PASS/FAIL
Hiro's life hangs in the balance as his brain tumor worsens, prompting him to subconsciously deal with some of his past decisions. Meanwhile, Sylar pays Claire an unexpected visit to get answers as to why he isn't quite himself. Elsewhere, Samuel's plan to impress his long-lost love, Vanessa, takes a terrifying turn.

CHAPTER SIXTEEN: THE ART OF DECEPTION
Noah enacts his plan to take down the carnival with the help of Lauren and Suresh. Sylar visits Matt looking to understand his desire to make a human connection, but Matt has a plan of his own. Meanwhile, Peter warns Emma of Samuel's intentions after his grim vision of the future.

CHAPTER SEVENTEEN: THE WALL
Fueled by his vision of Emma in grave danger, Peter attempts to rescue Sylar from his worst nightmare. At the carnival, Samuel reveals Noah's secret past in order to bring Claire to his side. Meanwhile, Lauren makes a bold move to put a stop to Samuel.

CHAPTER EIGHTEEN: BRAVE NEW WORLD
Samuel's ultimate plan takes effect as Emma is forced into using her abilities to help him kill thousands of people, only to have an unlikely pair of heroes come to her rescue. Noah seeks Claire's forgiveness as they work to escape from their underground prison. Hiro comes to acceptance over his past decisions as he is reunited with his long lost love and seeks to avert disaster. Claire shows the world the truth they may not be ready for.

CHAPTER ONE: BRAVE NEW WORLD
On June 13, in Odessa, Texas, Primatech, the leaders in "Evo" research, are hosting a peace summit for Evos and humans to come together, when the venue is bombed. Mohinder is blamed for the bombing, and over the next year, people with powers around the world are hunted down, believed to be dangerous and untrustworthy. Tommy Clark, a high school student with powers living in Illinois, barely escapes an anonymous meeting for Evos that turns into a slaughter. Noah is working as a car salesman under the name Ted Barnes when he finds out that his memory of the bombing was tampered with. War veteran Carlos Gutierrez finds out that his brother Oscar has been fighting crime as a masked vigilante with super strength in Los Angeles, but when Oscar dies, Carlos is faced with tough responsibilities. In Tokyo, a girl named Miko Otomo finds a sword in her father's study that sends her into a video game world to save him.

CHAPTER TWO: ODESSA
Tommy uses his powers to save himself and his friend Emily from Luke and Joanne Collins, who are killing evos, but nearly gets himself caught. Ren Shimosawa finds the game Evernow running on Miko's computer and teams up with her to rescue her father. Wondering why he would need to forget what is coming, Noah returns to Primatech's original location in Odessa with Quentin Frady, a former temp worker at Renautas, the company that bought out Primatech. Going through Oscar's notes, Carlos stumbles upon Oscar's underground railroad for evos escaping to Canada. When Luke and Joanne find themselves teleported to Tommy's old room in Primatech's Level 5, they break out, killing everyone still at the company and taking the files with every Evo's known location.

CHAPTER THREE: UNDER THE MASK
In the far north, the young Malina uses her power to suppress the malignancy that is approaching. Meanwhile, Molly Walker, who has the power to locate other Evos, has been captured by Renautas. In Yamagato Tower, Miko is captured by a man named Harris. He gives her sword to Erica Kravid, CEO of Renautas, and identifies it as Hiro Nakamura's. At a hospital, Noah finds surveillance video of himself standing over Claire's body, with evidence of Hiro's time jumping abilities. Joanne is eager to chase down the new leads in the Primatech files, but Luke is terrified by signs that he is developing a power of his own. Miko chops off Harris's hand and escapes with Ren, while Harris's hand generates a clone of himself. Tommy's mom finds out that a man has been secretly protecting him. Carlos puts on his brother's mask to become El Vengador, but meets his match in a powered enemy. Erica uses Molly to launch E.P.I.C., a technology that identifies evos around the globe.

CHAPTER FOUR: THE NEEDS OF THE MANY
When Tommy and his mom end up in a car crash, Tommy teleports her to a hospital before passing out. Noah and Quentin look for a way into the Renautas building, and use Taylor Kravid's frustration with her mother Erica's lies to gain her help. Malina and her invisible companion, Farah, leave the Arctic Circle, and Malina shows an ability to bring plants and animals to life. When Luke reveals his powers to Joanne and burns the list of Evos, she refuses to shoot him, but she walks away from what is left of their marriage. Tommy takes a blood test to see if he can give a transfusion to his mother, bringing federal agents after him. Carlos's nephew Jos and friend Father Mauricio, both Evos, are kidnapped. In Renautas, Noah finds Molly and a room full of Evos hooked up to machines; Molly takes his gun and shoots herself in the head.

CHAPTER FIVE: THE LION'S DEN
Ren gathers a group of Evernow fans cosplaying as Katana girl at Renautas so that Miko can enter the building undetected. Meanwhile, Tommy is registered as an Evo and injected with a tracking device, and told to stay within a ten-mile radius; he learns that he was adopted. Still inside Renautas, Noah, Quentin, and Taylor find evidence that the company is preparing for the extinction of humankind. One of Harris's clones finds Farah in Canada. Malina tries to fight off his agents, and finds her powers subdued by an Evo who can manipulate shadows, while Harris shoots Farah. Returning home, Luke finally faces the reality of his son's death in the attack one year ago. When Noah and Quentin are captured by Harris, Miko bursts in, taking back her sword and giving them a chance to escape. The man who has been protecting Tommy appears, and tells him that he will help save the world. Renautas scientists reveal that there is less than a week until solar radiation devastates the earth.

CHAPTER SIX: GAME OVER
Carlos learns about a place that is keeping Evos. Miko and Ren return to Evernow to save the "Master of Time and Space." Tommy runs away to Paris with Emily, but learns that nowhere is safe. Miko meets Noah and Quentin in Renautas, and they discover that Renautas has harnessed Hiro's power to send supplies to Earth after destruction. They learn that Miko is only a program that will disappear when Hiro is rescued and the game ends. Malina meets Luke, and when she sees him try to drown himself, she manipulates the wind to rescue him. Quentin confronts the girl who manipulates shadows, who is his sister Phoebe; she kills him to protect Erica's mission. Harris has Noah cornered when Miko completes the game, releasing Hiro. Noah asks Hiro to take him back to the Odessa peace summit on June 13 to change the future. Though reluctant, Hiro agrees as Erica was harnessing his power for her own benefit. Taylor sends a message to HeroTruther revealing that Renautas kidnapped Evos. Malina opens the envelope Farah gave her to find a picture of Tommy, who Luke recognizes. Emily helps Tommy take out his tracking chip, and they kiss.

CHAPTER SEVEN: JUNE 13TH PART ONE
Mohinder Suresh meets with Angela Petrelli, who tells him that she knows of the coming disaster and the Evos who can stop it. She told Erica, but Erica intends to save only people she chooses. Hachiro Otomo traps present-Hiro inside Evernow and takes his sword. Noah and Hiro witness present-Noah get taken away. Angela takes future Noah to Claire in surgery after she died in childbirth. Mohinder gives his research to Molly before Harris takes him to the site of the bombing, and discovers that any attempt to stop the bombing will result in a worse future. Past Noah is rescued by Caspar, while future Noah confirms Claire's death. Shortly before the bombing, Phoebe Frady releases a cloud of darkness that neutralizes all of the Evos' abilities. After the explosions, Luke and Joanne are separated from their son. Hiro takes Angela and Claire's children back to 1999 where they can grow up safely; they are named Nathan and Malina. Angela has foreseen that they will save the world from the coming disaster. Visited by his mother, Tommy is called Nathan by her. Noah sees his future self, as he is about to kill Erica.

CHAPTER EIGHT: JUNE 13TH PART TWO
Noah shoots Erica in the leg due to past-Noah's intervention, and Quentin finds them, and interrogates Erica about Phoebe. When Hiro and Angela are stuck in Odessa in 1999, Angela realizes that Nathan can absorb other's powers; she decides the children must be raised separately. Noah tells past-Noah about Claire and asks Caspar to erase his memories. Harris captures past-Noah and Caspar, and Matt Parkman interrogates Noah, but Caspar erases Noah's memories. Matt releases them and Caspar leaves Noah in the wreckage with no memory. Carlos becomes a war hero for Farah's actions, as she leaves for a job to hide her powers. When Erica uses Hiro's disappearance to blame him for the bombing, Hachiro uses his power to bring Katana Girl to life. Molly and Noah find Hiro with Anne and Nathan. Luke and Joanne find Dennis's body, and Joanne kills an Evo. Nathan uses Hiro's power to take Noah to Angela, who warns of catastrophe. Quentin is reunited with Phoebe. Nathan sends Noah back to his time as Harris arrives, and Hiro attempts to hold off Harris. Caspar takes Nathan's memory of Hiro. Noah finds Quentin alive and tells him about the twins, who tells Erica.

CHAPTER NINE: SUNDAE, BLOODY SUNDAE
Anne tells Tommy that he has Hiro's powers, and Noah shares Nathan's history, but Tommy finds it difficult to believe. Luke struggles to come to terms with Malina's idea of fate, and opens up to her about his son. Meanwhile, Captain Dearing smuggles Carlos into Sunstone Manor, a facility for Evos. Taylor meets with Ren , who wants to rescue Micah (HeroTruther) from Renautas. Caspar tries to save Emily and is killed by Joanne; Luke and Malina arrive, and Tommy stops time, letting him save Emily. Harris picks up Joanne. When Carlos finds Jos , the boy is talking to a hallucination of his father, and doesn't recognize Carlos, getting Carlos captured. Dearing is caught and led to kill himself, and Carlos meets the director of the facility, Matt Parkman. Matt learns that Carlos knows Farah. Tommy is captured by Quentin and Phoebe and taken to Erica. When Noah goes to say farewell to Caspar and finds Malina. The final scene shows Miko waking up 7957 years in the future in a barren desert, with a city visible in the distance.

CHAPTER TEN: 11:53 TO ODESSA
Noah takes charge of Malina, refusing to trust Luke. Meanwhile, Tommy wakes up in Erica's house, with a strange scar on his neck and still unable to use his powers. Erica reveals that she doesn't believe anything can stop the magnetic reversal, but says that she was using Hiro's powers to create a bridge between the present and the future to recolonize the post-apocalypse Earth. At Sunstone Manor, Matt uses Carlos to interrogate Farah, trying to find Malina. Tommy takes Erica, Phoebe, and Quentin to the future, to see the city Gateway. Taylor helps HeroTruther's group sneak into Sunstone Manor. Miko sneaks into Gateway's core facility and finds Hachiro Otomo and the real Miko, while in the present, Otomo gives Ren a key to Gateway and tells him to come to the future. Erica says she tried to steal Tommy's powers but it didn't work, and Tommy agrees to help bring as many people as possible to Gateway, until Miko finds him. Malina stops a storm but is met with hatred, and when Noah disappears Luke saves her. As Carlos, Farah, and Taylor try to escape, an army of Harris clones converges on Sunstone.

CHAPTER ELEVEN: SEND IN THE CLONES
At Sunstone Manor, in the midst of an assault by the Harris army, Farah and Carlos (as El Vengador) search for Carlos's friends while Ren and Taylor confront Matt Parkman. Matt learns that he is not on Erica's list of people to save. Meanwhile, Tommy, guided by the 9th Wonders! comic, sends Katana Girl to Sunstone Manor, though she is slowly disappearing from reality. Matt finds out that Taylor is pregnant and thinks he now has leverage over Erica. Malina and Luke are stopped by Harris and the Fradys, and Luke knocks out Phoebe, torches Harris, and talks Quentin down, capturing the siblings. At the Gateway Community Center in Odessa, Erica reunites Tommy with Emily and his mother. Quentin tells Malina about Gateway, and Malina stops Luke from killing Phoebe. Father Mauricio is killed by a guard, but Carlos rescues Jos and Micah. Harris Prime duels Katana Girl who kills him before disappearing for good. Harris Prime's death destroys all of his clones. Micah explains the approaching threat, then makes a broadcast to the world exposing Erica's lies and Mohinder's innocence, calling upon Evos and non-Evos to stand together. Erica asks Joanne Collins to kill Malina. As everyone drives to Odessa, the sun releases the first solar flare.

CHAPTER TWELVE: COMPANY WOMAN
Word is spreading about the solar flare. Tommy leaves when he hears that Renautas is saving only 12,000 people. Matt trades Taylor for three Gateway watches to save his family. In a flashback, Erica sleeps with an Evo as payment for saving her father's life. Luke loses Phoebe, but Quentin decides to trust him. Ren enters Gateway and meets Emily. Although Erica offers a fresh start, Taylor refuses to be a part of the new Gateway. Another flashback shows Erica killing Taylor's father when he tried to take Taylor away. Luke, Malina, and Quentin go to Union Wells High School and make a scene for the news cameras to attract Tommy's attention; Micah sends the footage everywhere. Tommy and Joanne come, but Otomo appears and sends Tommy to Evernow. When Joanne shoots Malina, Luke incinerates her. An invisible Farah took the bullet. Matt's car crashes, leaving his watch damaged and the other two lost. A final flashback shows Caspar at Erica's house, and she asks him to help Taylor. Ren and Emily access the core using the necklace Otomo gave Ren, just in time to hear Otomo say he imprisoned Tommy and see Otomo drugged and carried away.

CHAPTER THIRTEEN: PROJECT REBORN
Tommy's powers open the Gateway portal. Ren and Emily awaken Otomo and the real Miko. Luke sacrifices himself to absorb the first solar flare. Jos , Micah, and Carlos remove the bullet from Farah. In the labyrinth of Evernow Tommy meets a future self who helps him remember his past. Quentin kills Phoebe in the clocktower to save Malina. Otomo sends Ren into Evernow, where he reunites with Katana Girl to save Tommy. Released, Tommy appears in future Gateway. Erica reveals that this future depends on the world being destroyed, and will cease to exist if he saves it, so Tommy uses his powers to exist in both times simultaneously. When he and Malina can't join their powers, he revisits a time when Angela tested them, learning that they need a conduit. He saves Noah, who sacrifices himself to help his grandchildren, while the other Tommy brings everyone back from the future except Erica. Three months later, Quentin refuses to reveal the heroes' identities. Miko and Ren spar together, Carlos and Farah continue El Vengador's work, and Tommy and Emily live normally. Tommy and Malina receive tarot cards, and Angela says their father is coming and no one can protect them.