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It looks as if Karen Lewis (Pat Breslin), a minor employee of lipstick manufacturer Silas Vance (James Bell), has been caught red-handed as an industrial spy when a bank book containing two huge deposits and a rival manufacturer's phone number is found in her desk. Her boss accuses Karen of selling his secret lipstick formulas to the "enemy", but is willing to forget everything if the girl agrees to, er, "be nice" to him. Not long afterward, Vance is murdered--and because she is the sole beneficiary in his will, Karen is charged with the crime. Calling Perry Mason (Raymond Burr)!