After leaving his lover Angel McGinnis behind in London, rich playboy Barney Lincoln breaks into a playing card manufacturer in Geneva to mark the cards and then break the bank at every European casino.
While attending a glamorous jazz cruise on New York’s East River, Nick and Nora Charles witness the fatal shooting of a wealthy patron. When suspicion falls on a young bandleader and his musicians, the couple steps in to clear their friends and uncover the real killer. Their investigation leads through a lively world of jazz clubs, radio personalities, high society, and backstage rivalries, where almost everyone has a secret and the next clue may be hidden in the music.
While attending a major horse race with their young son, Nick Jr., Nick and Nora Charles witnesse a shocking murder from the crowded grandstand. What first appears to be an isolated killing soon leads to a maze of corruption, blackmail, gambling scandals, and criminal intrigue. As Nick investigates, he encounters suspicious bookmakers, dishonest officials, rival gangsters, and a mysterious killer determined to stay ahead of the law. Nora, as always, is never far from the action, bringing her quick wit and fearless curiosity to the case.
A spoof of the entire 1940s detective genre. San Francisco private detective, Lou Pekinpaugh is accused of murdering his partner at the instigation of his mistress—his partner's wife.