In one of her most lavish musical productions, Mae West plays a popular burlesque performer in swinging St. Louis. Tiger Kid (Roger Pryor) is an up-and-coming boxer who's concentrating on the wrong kind of knockout - the electrifying Ruby Carter (Mae West). When Tiger's manager tricks Ruby into leaving town, she travels to New Orleans to headline with Duke Ellington and his Orchestra at Ace Lamont's Sensation House. But Ace has eyes for Ruby's plentiful diamonds and plots a robbery. As always, Mae outsmarts her adversaries and proves she has no intention of losing her jewels, or her man., In one of her most lavish musical productions, Mae West plays a popular burlesque performer in swinging St. Louis. Tiger Kid (Roger Pryor) is an up-and-coming boxer who's concentrating on the wrong kind of knockout - the electrifying Ruby Carter (Mae West). When Tiger's manager tricks Ruby into leaving town, she travels to New Orleans to headline with Duke Ellington and his Orchestra at Ace Lamont