Thieves hijack an aircraft loaded with diamonds, and then must face deadly Amazonian headhunters when the plane crashes in the jungles of Caxambu, Brazil.

A woman believes herself to be the reincarnated spirit of an ancient prince's lover. Meanwhile, a murderer turns out to be the reincarnated spirit of the prince himself.

After a UFO sighting, a mysterious phantom in a bizarre outfit starts attacking people in San Fernando Valley.

A beautiful but unscrupulous female performer manipulates all the men in her life in order to achieve her aims.

A research scientist conducting experiments on a new anaesthetic finds herself being blackmailed by a women she accidentally knocked down with her car; the woman wasn't hurt, but a scheming attorney has convinced her she can get a lot of money for the "accident." Meanwhile, the scientist's research assistant, who is in love with her boss' boyfriend, arranges for an explosion in the laboratory that disfigures the scientist's face, in order to take the boyfriend away from her. The scientist has plastic surgery to make her look like the woman who tried to blackmail her - who while struggling with the scientist fell out of a window and was killed - and determines to get back her boyfriend and punish her scheming assistant.

Atomic scientist/pilot Doug Martin is missing after his plane crashes on an reconnaissance mission after a nuclear test. Miraculously appearing unhurt at the base later, he is given sodium amethol, but authorities are skeptical of his story that he was captured by aliens determined to conquer the Earth with giant monsters and insects. Martin vows to use existing technology to destroy them.