Two couples meet, fall, fight, and reunite under the leadership of Marius, the king of Camembert.

Lieutenant Varnière, responsible for discovering the cause of the death of two officers in Algeria, unmasks the assassin in the person of a Russian who lives with three women. He falls in love with one of them and runs away with her while the Russian is killed by a devoted servant.

Clairette learns that Bérénice, a former mistress, is pursuing her husband in the army where he is recalled. She puts on the sergeant's uniform and after a few entanglements reconciles with her husband while Bérénice consoles herself with the captain.

A barge captain saves Marinette from drowning and soon marries her. On the wedding day, Sylvestre, the captain’s best friend, falls in love with Marinette.

The film portrays the events on the day King Henri III of France arranged for Duke Henri de Guise to be murdered.

The melodramatic story of a widow, Marie Paradis, as she becomes an elderly dependant. Taking charge is her daughter-in-law, the cruel and stingy Céleste. Marie answers to all the stereotypes of the traditional mother: she's generous, loving.