Ten of the biggest reality stars move into one of the creepiest estates in America to endure scares, gruesome challenges , and one-on-one eliminations all for a shot at winning $100,000 for their favorite charity.

The housemates are lured into a demonically themed challenge, have a terrifying encounter with ghostly twin girls, and are forced to kill off one of their own.

Everyone scrambles to create alliances following the elimination of the first housemate; backstabbing is placed on hold as the entire house joins forces to face a horrific challenge.

A crew member meets a horrific fate; someone gains the power of immunity; one roommate's conjuring of spirits threatens the house; unlucky housemates face off.

The survivor of the kinky "Fifty Shades of Horror" challenge returns seeking revenge; the terror at home takes a turn for the worse; a mysterious force kidnaps one of the crew.