A young woman calls 911 because her boyfriend is missing and there is a pool of blood in their apartment; evidence leads investigators to the couple's roommate, a manipulative psychopath hell-bent on revenge, along with his loyal best friend.

A woman discovers her parents dead and calls police, but when they interview her, they uncover her sinister double life. Then, the case of a missing college student confounds police, until they turn to his friend for answers and learn the awful truth.