Uncle Fester convinces Gomez and Morticia that it is time for him to find a mate. Fester conducts his search by putting an ad in a newspaper and then mistakenly thinks a door-to-door cosmetics saleswoman is answering his ad.
Crooked jewelry store owner Karl Addison learns that he needs an operation which will temporarily blind him. Addison makes plans to rob his own store knowing that his sightlessness will provide him with a perfect alibi. Things go wrong when someone kills the scheming Addison and steals the already pinched jewels. James Kincannon enlists Perry's aid when he's charged with the crime.
A young woman, trying to trap the fradulent fortuneteller she blames for her father's ruin, instead becomes implicated in a murder.
Five beautiful women, including an amnesia victim who is Perry Mason's client, turn up as suspects in a murder case.
When a neighbor agrees to sell his property, the Cartwrights fear the loss of water rights for their cattle.