A bored young woman in a sleepy community called Spearfish starts receiving photographs of brutally murdered young women. Are they real or staged? The culprit is either a serial killer or some creep with a sick sense of humour.

Troubled seventeen-year-old Sean Holloway falls in with a group of teenage outcasts called "The Misfits," known around town for their petty crimes and vandalism. But things begin to spiral out of control on "Mischief Night" - when their pranks culminate into a night of violence and mayhem on the eve of Halloween - and Sean finds himself deeply in over his head.

Michael King (Shane Johnson), who doesn't believe in God or the Devil. Following the sudden death of his wife, Michael decides to make his next film about the search for the existence of the supernatural, making himself the center of the experiment - allowing demonologists, necromancers, and various practitioners of the occult to try the deepest and darkest spells and rituals they can find on him - in the hopes that when they fail, he'll once and for all have proof that religion, spiritualism, and the paranormal are nothing more than myth. But something does happen. An evil and horrifying force has taken over Michael King. And it will not let him go.