A desperate husband, trying to support his wife and daughter, escorts a drunk home after his night job, but is accused of killing him for his poker winnings.
Two troubled women, Millie Crest and Fern Driscoll, switch identities. Millie, posing as Fern, stabs shady private eye Carl Davis in the arm in self-defense. Davis then turns up dead from poisoning of the stab wound to his arm. Millie then gets Perry to help her in return for a 38 cent retainer.
A widow concerned with re-establishing her dead husband's reputation with his wealthy father hires Perry Mason to defend her.
A valuable Matisse painting is stolen from a museum. When the thief is found murdered, museum employee June Sinclair and her boyfriend David Lambert are charged with the crime.
The long-missing witness in a 6-year-old homicide case blackmails the victim's widow.