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 model suspected of selling bathing-suit designs to her employer's competition becomes involved in murder.
An oilman who wishes to sell oil leases at an unusually low price asks Perry to handle the transaction; guest Bill Williams.
A glamorous model is threatened and the showy figure who tried to wreck her career is murdered.
Perry Mason defends a highly-respected judged accused in the poisoning murder of a witness who was planning to expose him.
