Morris Ankrum

A wealthy woman hires Mason to buy stock in her husband's land company, hoping to force his mistress out. But her plan goes awry when she is charged with murder.

Perry defends his client by invoking the constitutional provision of double jeopardy.

Steve Benton retains Perry Mason to help his brother Larry, who has been forging checks to pay off purported gambling debts.

Perry investigates a murder confession obtained by the use of truth serum.

An old man seems to be giving his money away, something his nephew and wife try to stop by having him committed. But once he escapes from the sanitarium, he's accused of murder.

Jo Ann Blanchard seeks the help of Perry Mason when John Brant, a wealthy and crippled old man, takes her prize race horse as payment for a mortgage he holds on her property.