While Perry Mason is enjoying a moonlit canoe ride, he admires a naked bathing beauty. Little does he know he'll soon be rescuing her and that next day he'll have to clear her of a jewlery-theft charge. But then she's suddenly charged again--this time with murder. It takes all of Perry's wiles, Della's insights, and Paul Drake's deft detecting to solve 'The Case of the Negligent Nymph