Eccentric millionaire Fredrick Loren (Vincent Price) and his fourth wife Annabelle have invited five people to the HOUSE ON HAUNTED HILL, an old mansion with a murderous history, for a "Haunted House" party. The rules? Simple. Whoever will stay in the house for one full night will earn $10,000. As an extra provision, if the host dies each guest gets $50,000. In addition, everyone who participates in the dare is given a gun. The doors are locked. All the guests are trapped inside the house. Watch in suspenseful horror as the guests cope with unexplained noises, ghostly apparitions and the threat of murder (not to mention each other)!