American horror set in 1983 in which a couple living in an isolated cabin in the woods have their harmonious life torn apart by a dangerous cult. When Mandy (Andrea Riseborough) - fascinated by fantasy fiction and the occult - captures the attention of a cult leader, he devises a plan to take her as his own. In the dead of night, Mandy is abducted by a terrifying band of demons who take her to their unhinged leader, Jeremiah Sand (Linus Roache). Mandy's partner Red (Nicolas Cage) immediately goes out for revenge, wielding a chainsaw and an arsenal of fierce weapons to free her from the clutches of evil and slaughter anyone who gets in his way. Will Red get to Mandy before she succumbs to the black magic of the cult?