Two different men are possessed by spirits of Native Americans after they separately wander into a sacred burial ground. When John and Sybil come home with their son after a trip to the Mojave Desert, they bring an unusual stone back as a memento of the trip. The stone seems to cause strange noises and other horrible inexplicable phenomena.

Two highway patrolmen think they are working on the side repossessing cars. But eventually, they realize that they have been tricked and are actually stealing the cars.