A young aristocrat whose ruined father decided to marry her spends one last night as a bachelor at the boarding school ball. But there, cheerful students strip her of her clothes and she finds refuge precisely with her future husband whom she did not know. Of course, the marriage that was so repugnant to them fills them with joy.

A beautiful and serious woman renounces the love that inspires her Gerard, a man younger than her. Later, Gerard having become blind, she takes the place of the nurse, then confesses her identity to the cripple who opens his arms to her.

Tino is a painter and occasionally a singer. When he has an opportunity to replace an absent singer, he becomes a sucess as a masqued singer, "Le chanteur masqué". Lisa is a typist who becomes a successful singer, also as a masqued singer, "La chanteuse masquée". Tino the painter falls in love for Lisa the typist, not knowing about her "masqued" activities. On the stage they are rivals.

A celebrated singer in Paris meets a young woman and courts her by pretending to be a driving instructor.

In the middle of the 19th century, Tsar Alexander II made the acquaintance of a young aristocratic girl from the provinces, unruly in character. He falls in love with her and tries to see her again.

Once their military service is over, the instrumentalists of a regimental orchestra find themselves in civilian life and decide to run a hotel themselves on the Côte d'Azur.

A gang of broke student musicians travel to Paris to take exams. But very quickly, the lack of money pushes young people to pass themselves off as professionals during the performance. They will then win the victory!

In 1919, Pierre Darmont, a handsome, much-loved piano virtuoso, falls in love with Anne Morris, a young woman who shares his tender feelings. But, quite inexplicably, after an unforgettable night, Anne vanishes without trace. Twenty years later, Pierre, at the peak of his glory, has become embittered. Unable to recover his unhappy love affair, he has collected women without ever committing himself to any. Until some night he meets the eyes of a beautiful young lady, who happens to be the spitting image of his great love...

The exploits of Chief Police Inspector Chabrier, first before the invasion of France in May 1940 as he fights against spies preparing the coming the Germans, particularly Emmy de Welder, the alleged manager of the Rouen hospital. Later, Chabrier and his men go underground and resist the occupiers whatever the price to pay. When the Liberation comes Chabrier resumes his activities at the French National Police.