Society sleuths Nick and Nora Charles investigate a murder aboard a floating casino.
　　Nick and Nora Charles are attending a charity benefit aboard a gambling ship.
　　After a murder occurs, suspicion falls on Phil Brant, who had argued with the victim earlier in the evening.
　　When Phil and his wife seek help from Nick and Nora, Nick refuses to get involved.
　　But when shots are fired outside his own apartment, Nick begins to investigate, and he soon finds himself in a confusing case with numerous suspects.
　　Nick and Nora Charles were the ultimate screen couple, husband and wife detectives, always in step and never missing an opportunity to outwit one another as they solved each crime, which they did just in time for the movie's ending.
　　Myrna Loy was a fantastic Nora, the ideal wife and considering she made 14 movies with William Powell, she made it look like they were really married.
　　The Thin Man movies, all six of them, played more like sophisticated screwball comedies than murder mysteries, and their comic banter enhanced the proceedings.
　　Their little wire-haired terrier, Asta, quite often stole the scene as he helped sleuth out the guilty party.
　　He was a great little actor and rumor had it that away from the Thin Man movies, Asta was really Skippy.
　　However, the six Thin Man movies credit this cute pooch as "Asta."

艾拉娜（英格麗·褒曼 Ingrid Bergman 飾）嫁給了波蘭王子，哪知道王子在一場意外中不幸喪生。為了繼續(xù)維持現(xiàn)有的生活，艾拉娜來到了巴黎，希望在上流社會中為自己覓得下一個“飯碗”。一次偶然中，艾拉娜結(jié)識了伯爵亨利（梅爾·弗爾 Mel Ferrer 飾）和將軍羅蘭（讓·馬萊 Jean Marais 飾），羅蘭火熱的革命意志和堅定的革命信仰替艾拉娜打開了新世界的大門，她深深的為將軍的執(zhí)著和激情所打動。
　　羅蘭將軍強大的號召力和不斷攀升的人氣讓當局政府開始擔心起來，他們將羅蘭發(fā)配到一處偏遠的小鎮(zhèn)之上，艾拉娜和亨利追隨而去。艾拉娜和亨利決定幫助羅蘭將軍重獲自由，在此過程中，原本相互看不順眼的兩人之間也產(chǎn)生了真正的感情。