An impetuous niece who demands her trust fund be released comes to Perry Mason for help. But it's her boyfriend who needs defending when he is charged with murdering her controlling uncle.
When a lipstick print is found on the forehead of a murder victim, Mason's client is charged with the crime, even though she and her roommate were poisoned and unconscious at the time.
While on a fishing trip, Perry Mason and Paul Drake pull a beautiful woman out of the ocean. In her possession is a note she found, intended for her employer, accusing him of killing his rich aunt.
Perry and Della's visit to a restaurant is interupted when a waitress is shot at. After they hide her mink, they discover it contains a pawn ticket that may hold the key to the past murder of a police officer.
An embezzler is found dead after his business partner demands that the stolen funds be replaced.