Jacques Montet, a successful crime story writer, has already written a hundred books and would like to call it quits now to devote himself to loftier writing. But his wife, a cold-hearted, money-minded, bossy woman won't allow. All the more as she is the one who supplies Jacques with the plots of his detective stories. When Jacques, yearning for true love, meets young, pretty Muriel, he can't stand the situation any longer. Fortunately - for him - the plot of the 101st detective story imagined by his wife is about a ... perfect crime. He simply has to follow her instructions to ... get rid of her. Everything goes according to plan until Jacques discovers a scary detail: the presence of a mysterious witness on the scene of the crime.
A group of Italian soccer fans arrive in Paris for a match, but most of them go their separate ways to explore the sights, have a bit of an adventure, and maybe even find some romance.
In order to please Martineau, a wealthy industrialist, cynical Gabory accepts to organize a rigged beauty contest whose winner will be Françoise, Martineau's young mistress. However, there are other comely contestants among whom Christiane, the daughter of a general, Jackie, an unemployed actress, Colette, the daughter of a distiller and Marie, a secretary engaged to serious-minded construction foreman Robert. So, will things turn out exactly the way Martineau and Gabory want them...?
A couple and a friend find themselves on a desert island. The friend asks the husband to share his wife, the situation being very particular. But a friendly native and a typhoon will somewhat upset the organized life of the curious trio...
