快乐爱情

哈根是个艺术拥护者，他离开了富人圈去帮助一群没有任何资助的歌剧演员，因而生活一落千丈，变得穷困潦倒。他在一上流市场偷窃了一罐沙丁鱼，该沙丁鱼头精美无比，而背后藏有一价值连城的钻石项链他却一无所知。几经周折，这条钻石项链又回到机智聪明的哈根手中，而钻石项链的主人为了寻回它，到处收集沙丁鱼，最后几乎倾家荡产……Young hopefuls trying to stage a Broadway show on a shoestring are sustained with food by expert shoplifter Harpo. They little suspect that his donations include the special sardine can hiding the Romanoff diamonds! Slinky Madame Egelichi and her henchmen will do anything to get them back, but the Marx Brothers lead them a merry chase.