An insurance investigator tumbles onto a series of similar deaths, by brain hemorrhage, of patients of a psychiatric clinic in France where therapy involves a device which can implant visual…

Peter Chance (Lex Barker) suffers a blow to the head and wakes up with amnesia in a luxurious home, where a doctor and several women tell him he’s a missing…

A writer of murder mysteries finds himself caught up in a string of murders in London.