When their oldest son is brainwashed by a disturbing cult obsessed with violence, a family enlists a cult deprogrammer (Stephen Dorff) to extract him. But as they work on reversing the damage to his mind, the family finds themselves under siege, trapped in a remote vacation home deep in the woods and surrounded by ruthless cultists determined to take back their missing member. A vicious battle unfolds, unleashing a bloodbath in which there will be few survivors.
