The Raffin Commissioner investigates the murder of an industrialist and it soon becomes apparent that the activities of the relatives of the deceased all revolve around the Folies-Bergere.

A young woman has been run over by the car of Carlos, a brilliant embassy attaché. Feeling sorry for her, Carlos drives her to his place and decides to take her in. The young lady accepts his offer but refuses to tell Carlos her name, wanting to be called Miss Pigalle, after the Paris district where she was born. It does not take long before Yvonne (Miss Pigalle's true name) and Carlos fall in love. Life is like a dream and, when Yvonne gets pregnant, their happiness is at their peak. Unfortunately, a revolution breaks out and Carlos returns to his country in secret. Feeling forsaken and at a loss, Yvonne, who is now penniless, has no other solution but prostitute herself.

The young mayor of Fontenac, Virgile, is much loved by his constituents who appreciate the improvements he has made in their peaceful village. This beautiful harmony is disturbed by the arrival of a young platinum pin-up, Maggy, alleged pupil of the lord, in truth his mistress.

A very ill little girl having expressed the wish to live until Christmas, the whole neighborhood agrees to anticipate the celebration.

On a Marseille film set, a street urchin who has been hired as an actor is suspected when both a star and a baroness are robbed.With the help of the boy's neer do well friend the real crooks are tracked down.

The guitarist Moncho, singer Roberto and their impresario, arrive in Paris to find the fortune and the celebrity. They live in Montmartre in a pension that receives an impressive sampling of circus artists and music halls. They meet Maria-Rosa with whom they make a number, and this is glory.

Narcisse is a doorman for a jeweler but dreams of becoming a private detective. The Criminas agency hires him and he comes to the aid of his former boss's nephew, accused of stealing jewelry. He first passes for the accomplice of the young man but soon discovers the culprit.