A model suspected of selling bathing-suit designs to her employer's competition becomes involved in murder.
Lawyer Perry Mason takes the case of a girl chemist accused of slaying her employer when planted evidence is found to indicate that she had sold secret formulas to a rival cosmetics firm.
A glamorous model is threatened and the showy figure who tried to wreck her career is murdered.
An oilman who wishes to sell oil leases at an unusually low price asks Perry to handle the transaction; guest Bill Williams.
Perry Mason defends a highly-respected judged accused in the poisoning murder of a witness who was planning to expose him.