Rita Lynn

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 respected judge is accused of poisoning a witness who was going to expose him as a crook; guests Jackie Coogan, David White.

A model is threatened and the person who attempted to wreck her career is slain; guest Mary Ann Mobley.

A double cross and an outlaw's wife lead Wyatt to a gang of bandits.