Collegian Tree Gelbman wakes up in horror to be taught that she's caught in a parallel universe. Her boyfriend Carter is now with another person, and her mates and fellow college students appear to be utterly completely different variations of themselves. When Tree discovers that Carter's roommate has been altering time, she finds herself as soon as once more the goal of a masked killer. When the psychopath begins to go after her inside circle, Tree quickly realizes that she should die again and again to avoid wasting everybody.
