A live streamed, publicity stunt, filmed inside London's most famous scare attraction takes a terrifying turn as the event awakes an evil spirit. Something relentless and seemingly unstoppable starts stalking the celebrity guests through the claustrophobic halls of this maze of terror.

A sudden and mysterious inheritance brings Danny and his friends to Hobb Springs, a forgotten resort deep in the West Virginia hills. Hobb Springs is being looked after under the watchful care of Jackson and Sally, a socially awkward couple who introduce Danny to the long lost family he's never known. A clan by the name of Hillicker. But soon Danny learns his relatives have a different way of living, that for generations, the Hillickers have observed ancient traditions rooted in cannibalism and other taboo rituals.