The USS Cerritos is sucked into a parallel universe populated by alternate versions of the crew who have made slightly different life choices. The two crews work together to return the "Prime" Cerritos to its own universe.

The Pirate Queen of Orion orders the war between the Tendis and the Blue Orions to be resolved with a dangerous race through an asteroid field. Meanwhile, the Cerritos helps the planet Targalus IX adjust to its new post-scarcity economy. Two ensigns are kidnapped by formerly wealthy Targalans who resent the loss of their status.

The Lower Deckers hunt nanites on a resort... in space?! Boimler joins Commander Jack Ransom in locating Admiral Milius, who has gone AWOL.

Ma'ah is forced to return to his family farm after being stripped of his captaincy for allowing his crew to mutiny. He is visited by Boimler and Mariner, who offer to help him regain his command. Meanwhile, the Cerritos is escorting two food critics back Klowahka.

The Cerritos crew are forced to dock at Starbase 80 for repairs. Mariner fears the base is cursed, Freeman fears she may end up working there like her counterpart in the alternate reality, Ransom uses too much decon gel.

Mariner teams up with a troubled ensign while the Cerritos hosts peace talks between Cubs and Orbs.

It's a pre-warp society undercover Girls Trip. They must go to a planet where time passes thousands of times faster than in the surrounding galaxy. Tendi struggles to compete for the Bridge Science officer position.

The Lower Deckers have a pumpkin carving party. Freeman has a full schedule attending performances and rituals to support crew members. Chief engineer Billups deals with a crisis of cascading equipment failures. Ransom manages a team of squabbling ensigns wrangling a herd of Buhgoons. Shaxs meditates to deal with his trauma from the Cardassian occupation of Bajor. T'Ana, having been criticized for not providing enough painkillers to her patients, subjects herself to painful treatments to prove her point.

William Boimler, Captains the starship Anaximander on a mission to find and stop the source of the recent interdimensional rifts which threaten the multiverse. His crew includes alternate-reality versions of characters from other Star Trek series. An energy wave that threatens to destroy the multiverse. Its up to Brad Boimler and friends to find a solution in time.