A tour of Ciro's Nightclub packed with caricatures of many top stars, including (in order) Cary Grant, Greta Garbo Edward G. Robinson and Ann Sheridan, Johnny Weissmuller, James Cagney, Humphrey Bogart and George Raft, Harpo Marx, Clark Gable, Bing Crosby, Leopold Stokowski, James Stewart and Dorothy Lamour, 'Tyrone Power (I)' and Sonja Henie, The Frankenstein Monster, Larry Fine, Moe Howard, Curly Howard, Oliver Hardy, Cesar Romero, Mickey Rooney, Judy Garland and Lewis Stone, Kay Kyser, Peter Lorre, Henry Fonda, J. Edgar Hoover, Ned Sparks, Jerry Colonna, and Groucho Marx; many more just get sight gags, such as Claudette Colbert, Norma Shearer, William Powell, Don Ameche, Wallace Beery, C. Aubrey Smith, Boris Karloff, Arthur Treacher, Buster Keaton and Mischa Auer.

A little cat is being mercilessly tormented by a mean bulldog until one day he meets a black cat who offers a bad-luck service. Whenever the little cat blows a whistle, the black cat comes out, and the bulldog is struck down with an attack of bad luck. Things look bad for the bulldog until he realizes that a cat's color can be changed...