Grandpa is feeling lonely and depressed so he contacts a matrimonial agency to find a mate. The agency sends over a nice looking elderly woman who find Grandpa to be delightful. She turns out to be the Black Widow: she makes her living by marrying he... (more)r suitors, getting them to sign a life insurance policy naming her as beneficiary, and then murdering them.

Jerry Mann, Linda Watkins, Neil Hamilton