One of four Mexican quickies that the 81-year-old Boris Karloff appeared in before his death in 1969, two of which, THE FEAR CHAMBER and HOUSE OF EVIL, escaped release. He plays a scientist who invents a machine which can render useless the destructive powers of enemy weapons. He has humane
purposes for the device, but the military has other ideas. A flying saucer lands, and aliens take over the bodies of a maniacal killer (Beirute) and Karloff. Blaming Beirute's murders on the scientist, the villagers destroy the laboratory. The evil forces attempt to do in Karloff and his daughter
(Linder) but, recovering, he turns the machine on them. He destroys the machine aft...