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.

A frontier sheriff and his young deputies search for a serial killer who is murdering prostitutes.

An elderly woman has her son kill and scalp various young women to use their hair for her wig shop. A persistent coed tries to link various killings on a local Florida college campus to them.