Nick Johnson has wed several times, but all his rich wives were 'accidentally' killed after some time. Now he's married a young Italian widow, but she's not so easy to get rid of, especially when she learns of his plans and tries to turn the tables.

The sinister Dr. Watt has an evil scheme going—he's kidnapping beautiful young women and turning them into mannequins to sell to local stores. Fortunately for him, Detective Sergeant Bung is on the case, and he doesn't have a clue!

An American car salesman in London becomes mixed up in a series of fatal occurrences at a secluded mansion.