Innocent lives hang on the whim of an elusive psychopathic murderer whose strange riddles and impossible timelines force three people into a mission to end the game before one or all of them die.

An escaped maniac returns to his childhood home on Christmas Eve, which is now a sorority house, and begins to murder the sorority sisters one by one.

A group of young backpackers’ vacation turns sour when a bus accident leaves them marooned in a remote Brazilian rural area that holds an ominous secret.