Christopher Landon

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 ...

A mystical, ancient dagger causes a notorious serial killer to magically switch bodies with a 17-year-old girl.

Caught in a bizarre and terrifying time warp, college student Tree finds herself repeatedly reliving the day of her murder, ultimately realizing that she must identify the killer and ...