Life takes a downward spiral for Alyce after a night of partying goes terribly wrong and she accidentally pushes her best friend off of a building. Panicked, Alyce lies to the police about her involvement. When she later learns that her friend miraculously survived, she begins to unravel; losing sleep, her job, and eventually her sanity. There is only one way for her to take control... But will she stop with just one murder?