The film tells the story of a group of pensioners desperate to visit Le Mont-Saint-Michel.

On the way to a party, a British couple dissatisfied with their marriage recall the gradual dissolution of their relationship.

The Count De Rochambeau wants to marry Mireille but she likes Etienne. The sister of Etienne, nicknamed "the girl with buttons" schemed with a friend to pose as a Russian princess to seduce the count and allow the marriage of his brother with Mireille.

Peter Simon, a famous American writer, deserts his girlfriend Eva to live incognito at a small Normandy inn. Eva shams her own murder for revenge. Meanwhile, a young reporter, Françoise, has tracked Peter down. The news of the crime quickly spreads and, believing Peter to be the murderer, the village is in an uproar. Despite misadventures galore, everything turns out right and Peter takes Françoise on their honeymoon.

Gerard, a 25-year-old student, decides to find a treasure Troilus lost in the sea after the Peloponnesian War. His meeting with Manina jeopardises his plans of finding the treasure.

Now that the world conflict is over, five inseparable wartime buddies swear eternal friendship now to each other. But there's many a slip 'twixt the cup and the lip. Jean becomes a postman, Marcel a boxer, Roger an actor, André a student and Philippe remains what he has always been, a young man of good social standing. Roger, who can't find any role, is introduced through his singer sister Valérie, to Frédo, a shady nightclub owner.Roger soon becomes one of Frédo's henchmen. To make matters worse, he swipes Jean's fiancée, Simone. Marcel, who loses fight after fight, ends up joining Fredo's gang as well. André, who wanted to redeem the faults of his father during the Occupation, gets killed in the Indochina war. Marcel is shot down while taking part in a robbery. In her turn, Valérie is bumped off by an accomplice of Fredo and Roger is sent to jail.

Encore is a 1951 anthology film composed of adaptations of three short stories by W. Somerset Maugham: "The Ant and the Grasshopper", directed by Pat Jackson and adapted by T. E. B. Clarke; "Winter Cruise", helmed by Anthony Pelissier, screenplay by Arthur Macrae; "Gigolo and Gigolette", directed by Harold French, written by Eric Ambler. It is the last film in a Maugham trilogy, preceded by Quartet and Trio.