An alien from planet Davanna, whose population has developed a terminal blood disease caused by nuclear radiation, is sent to Earth to acquire fresh human blood for his people.

High-priced prostitutes are being systematically murdered, their corpses mutilated, and a bizarre South American symbol painted in blood is found at the scene. The cop investigating is out to solve the crime before his ex wife, a reporter, becomes the next victim.

A woman with psychic powers has a vision of a murder that took place in a house owned by her husband.

The German police cannot solve the mystery of the seven murders which have alarmed the local villagers. They call in Inspector Doren of Interpol, and the only clue the Chief Constable can give the detective is the fact that, each time a murder was committed, the electric lights in the whole neighborhood went out. The locals believe tha...

A horror movie star returns to his famous role after spending years in a mental institution, but the character seems to be committing murders independent of his will.