Commissioner Thomas simultaneously investigates the actions of an oil company, a theft and an assassination, and the kidnapping of a child with look-alikes.

Superintendent Thomas is investigating a cabaret owner with suspicious actions.

Hélène, a young waitress working in a bar frequented by German soldiers, saves the life of Pierre, a Resistance fighter. Her jealous lover has her arrested first and then released. Later on, Hélène is wounded while walking in the streets. Pierre has her transported to friends with the hope of taking her to London with him. Unfortunately, owing to lack of space in the plane, Pierre has to fly alone. Hélène has to wait several weeks before being able to board a new plane. When the day comes at last, the Germans are waiting for the plane on the clandestine airfield.

Paris, 1865. In a music-hall Manon accidentally kills her partner who was trying take sexual advantage of her. She is condemned to twenty years of hard labor first and then to be deported to marry a released convict. On the ship where she sails with her female fellow-sufferers she gets to know a young doctor and helps to suppress a revolt. Once arrived at her destination, Manon hesitates between her official fiancé and the doctor whose household she does not want to break...

One of the subjects of the Prince of Slopoldavia, followed him to Paris, not out of love but to take revenge for the monarch's betrayal of one of his friends. Involuntary architect of a plot, she forces the prince to return to the throne and agrees to share the burdens of power with him.

Being a tramp is not always a disadvantage. For example when there is a masquerade ball. Indeed wearing flea-ridden rags might just mean having donned a costume. This is what happens to two resourceful Brussels bums, La Cloche and Picolard, who manage to gain entry in a fancy-dress ball. Once there, La Cloche is mistaken by an oriental prince for a respected doctor. His mission will be to give care to a music-hall diva. Even more exciting, he is asked to vaccinate a whole troupe of showgirls. Trouble guaranteed.

In the Camargue, the rich owner Jules Fabregoul squanders all his fortune to please his mistress, a Parisian actress with luxury tastes. But he is not the only one to be in trouble. His niece is having sentimental problems: she thinks she is being cheated on by her fiance Gérard, a music-hall artist. She takes refuge with Jules's sister, Aunt Fabregoul, the director of a home for repentant young girls. But Gérard did not make a mistake and the reconciliation takes place during the recording of a radio program.

A neglected young woman comes up against the equivocal feelings of a steward.

A repentant alcoholic, Henri is promised to the young Yvonne, but he is in love with Gisèle, her sister and the fiancée of his friend Hubert. They all go on vacation, to the villa of Valentine Bourjeon, the mother of the two young girls. Henri and Gisèle begin an affair which, despite a thousand precautions, is quickly discovered. Hubert seems to be the only one not noticing anything. Mrs. Bourjeon will restore order in the sentimental life of her daughters.

The ladykiller friend of a busy diplomatic attaché follows a masked blonde home after an elaborate ball without knowing she is that man's wife.

A singer who is believed dead returns with a decidedly different appearance. He has been in Russia and has lost his memory. But his wife still loves him.

An opera singer travelling with her company on a passenger ship encounters a mysterious young man who she falls in love with.

A young singer at the Opera finds out who really loves her, when the theater catches fire on the opening night of the performance.

The tumultuous relationship between a street singer and a prince.