The Munsters are invited to a masquerade party by Marilyn's boyfriend. With carefully-picked costumes for the event everyone is shocked when Herman wins…for wearing one mask under another one.
Racketeer George Castle kills Las Vegas hotel owner Glenn Faulkner over a gambling debt and sets his sights on land inherited by Faulkner's daughter, Stephanie. When Castle turns up murdered as well, Stephanie finds herself the number one suspect.moreless
While Martha Bradford is waiting for her appointment at a beauty parlor, she meets Rita Bradford who apparently is also married to Joe Bradford and lives at the same address. Joe Bradford is preparing for a business meeting in San Diego. He makes plans to meet his wife Martha but fails to show up. Joe Bradford is found dead on his boat the next morning and Martha Bradford is accused of his murder when her fingerprints are found on a candle located on the boat.moreless
Fay Allison is getting married in a few days to Dane Grover. Her roommate, Anita Bonsal, is having a clandestine affair with a married man, Carver Clement. When Aunt Louise arrives early the next morning to be with Fay, she discovers that Fay and Anita both appear to have been drugged. Louise calls her friend Perry Mason to help decide what to do. Perry and Della discover the key to another apartment in Fay's purse and go upstairs to investigate. They arrive to find Carver Clement dead in the apartment. Fay Allison is accused of the murder when the police find her fingerprints on a glass in the apartment.moreless