When a military plane is shot down in uninhabited jungle in an unknown Asian country, the men aboard have to contend with a mysterious house which, once entered, proves difficult to leave.

A fisherman is found strangled and investigators come to believe it may have been by the irradiated skeleton that was found near his body. The film is often erroneously listed as an alternative title for 1971's "Blood Thirst."

A sex-crimes specialist from New York travels to the Philippines to help his friend, a Manila homicide detective, solve a series of murders.