PET SEMATARY 1
Doctor Louis Creed moves his family to Maine, where he meets a friendly local named Jud Crandall. After the Creeds' cat is accidentally killed, Crandall advises Louis to bury it in the ground near the old pet cemetery. The cat returns to life, its personality changed for the worse. When Louis' son, Gage, dies tragically, Louis decides to bury the boy's body in the same ground despite the warnings of Crandall and Louis' visions of a deceased patient.

PET SEMATARY 2
When his mother, Renee, dies, young Jeff Matthews moves back to his hometown with his father, Chase. Jeff grows friendly with Drew Gilbert at school, who tells him about the Indian burial grounds that bring people and animals back to life, which led to the deaths of the Creed family who used to live in town. Desperately missing his mom, Jeff ignores warnings and buries her corpse, only to have her return in deadly zombie form.

PET SEMATARY 3
Dr. Louis Creed and his wife, Rachel, relocate from Boston to rural Maine with their two young children. The couple soon discover a mysterious burial ground hidden deep in the woods near their new home. When tragedy strikes, Louis turns to his neighbor Jud Crandall, setting off a perilous chain reaction that unleashes an unspeakable evil with horrific consequences.