Collegian Tree Gelbman wakes up in horror to learn that she\'s stuck in a parallel universe. Her boyfriend Carter is now with someone else, and her friends and fellow students seem to be completely different versions of themselves. When Tree discovers that Carter\'s roommate has been altering time, she finds herself once again the target of a masked killer. When the psychopath starts to go after her inner circle, Tree soon realizes that she must die over and over again to save everyone.
When a car hits young Victor\'s pet dog Sparky, Victor decides to bring him back to life the only way he knows how. But when the bolt-necked \"monster\" wreaks havoc and terror in the hearts of Victor\'s neighbors, he has to convince them that Sparky\'s still the good, loyal friend he was.