Stephen Finkin

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.

ある日、カレン・スパージュという少女が殺される。両親の愛情をカレンに奪われていたと感じていた姉のアリスに疑いの目が向けられる中、黄色いレインコート姿のマスクを被った人物が人々を襲い始める。