The Saint-Tropez police launch a major offensive against dangerous drivers. Marechal Cruchot (Louis de Funès) relishes the assignment, which he pursues with a manic zeal. Cruchot is after an offending driver, who turns out to be Josépha (Claude Gensac), the widow of a highly regarded police colonel. When they meet, Cruchot falls instantly in love....

The children of Harpagon, Cléante and his sister Elise, are each in love but they still haven’t spoken to their father yet. Harpagon is a miser who wants to choose the right man and the right woman for his children. Based on Molière’s play.

声势浩大的国际警察大会即将在繁华的大都市纽约拉开序幕，跟随着上司，奎邵（路易·德·菲耐斯 Louis de Funès 饰）以及其他五位同僚在祝福之中踏上了前往纽约的漫漫旅途。警局明令禁止警察携带亲属参加这次旅途，但奎邵对的女儿妮可（吉内薇芙·格拉德 Geneviève Grad 饰）实在无法抵御大都市散发出的强烈魅力，在没有告知父亲的情况下，也乔装打扮偷偷摸摸的登上了奎邵所在的邮轮。
很快，奎邵就发现了女儿的行踪，为了帮助女儿隐瞒身份，他整日里战战兢兢畏畏缩缩，让同事误以为他换上了心理疾病。最终，在一番手忙脚乱的安排之下，妮可总算搭上了回家的飞机，却还是因为一个小小的细节而暴露了自己的真实身份。

The bungling inspector Cruchot finds himself trying to save the residents of St. Tropez from some oil-drinking humanoid aliens. The only way to tell the aliens from the real people, besides their constant thirst for oil-products, is that they sound like empty garbage cans when you touch them. Chaos is ahead.