Two couples of friends who have arranged to meet in the woods get lost and find themselves in an embarrassing situation: the husband of one with the wife of the other? Each couple tries to get through this forced cohabitation honestly, but everything is turned upside down when two young Sunday gangsters appear. What follows is a cross-country chase through the woods, which leads the whole gang back to the house, where one of the couples manages to leave, free at last, on an old tandem, bound for... Africa!

In Marseille, crime squad captain Dominique fights against racketeers and tries to put a young man back on the right track.

La Hurlette and Carmen are a pair of philosophical tramps who enjoy simple pleasures in the company of the cheerful Sosthène. As in the fairy tales, La Hurlette learns that he has just inherited a tidy fortune, provided he can find a job. By dint of hard work, he manages to do so, and a banquet brings together his disinherited friends. Determined to live the high life, La Hurlette and Carmen lose all their inheritance at the Cabourg casino, and end up as philosophical as ever on their favorite bench.

Appointed public prosecutor in a small provincial town, Gérard Latour befriends Delanglade, whose young wife becomes his mistress. Shortly afterwards, a fire ravages Delanglade's factory. During the ensuing investigation, the Public Prosecutor discovers the troubled past of the industrialist and his front man, Jacques Perthuis, an ex-convict. They themselves set fire to the factory to collect the insurance premium. Gérard Latour, suspecting his mistress of complicity in her husband's machinations, leaves her after a stormy argument.

A building, a landing, two tenants: he, Jacques Loursier, is president of the U.R.A.F (Union and Resistance Anti-Woman); she, Eliane Cahuzac, is president of the Association for the Triumph and Independence of Women. Unaware of each other until then, a cold war begins between the two parties. An attempt at conciliation fails then, after many adventures, love triumphs.