Paris 1838, Prince Rodolphe vows on the deathbed of his friend Matilde to find Germain, the woman's son kidnapped by his father at birth. Disguised as a tramp, he wanders the city's slums encountering various characters who either help or hinder him.

On New Year's Eve 1899, Soledad is peddling violets in a Madrid busy street when she meets aristocrat Fernando. The couple falls in love but their different social backgrounds threatens the relationship. Fernando is under constant pressure from his older brother Alfonso who reminds him of his duties including his engagement to Magdalena, a countess. Disregarding all social conventions and scandalizing high society, Fernando sets up Soledad in a plush apartment and announces their marriage plans.

Lyria, a faded beauty who runs a seedy waterfront bar, is madly in love with Bob, a crooked attorney. Bob can't bring himself to confess his love for Minnie, the pretty daughter of Simon, a safe cracker. In order to run away with her, Bob, one of the masterminds of a big-time robbery, betrays his friends. But Lyria, who has found out what is happening, makes Minnie fall into a deadly trap.

During the Great War, in Austria, an officer was shot on the orders of his superior von Pennwitz. Out of revenge, his widow becomes a spy in the pay of France, preoccupied with removing the person responsible for her husband's death. In charge of a mission to von Pennwitz, she suddenly finds herself face to face with her husband, who is still alive. It was a ruse of war to deceive the enemy. It is only at the armistice that the couple will be able to live in peace.

The Secret Service abducts a "rocket scientist" to better protect him against gangsters acting for Chinese agents.

The beautiful Beatrice Cenci, daughter of the noble Francesco, falls in love with Olimpio. But she has to face the jealousy of his violent and morbid father, and the hostility of his stepmother Lucrezia, who has a relationship with her other stepson, James. The stepmother and stepson-lover plan to kill Francesco. And when the latter dies accidentally, they decide to put the blame on Beatrice and Olimpio.

1949 film by Jacqueline Audry

"Le Dabe" retired many years ago and now he lives in the Tropics where he owns stables and horses. He is a very rich man. He was the king of all money counterfeiters. He is contacted from Paris to organize a new job. He says no. But when he finds out the the currency that should be counterfeited is the Dutch florin, he accepts immediately. He retired after having counterfeited 100 florin notes just before the Queen Wilhelmina retired them from circulation. He flies to Paris. But the gang is not to be trusted, at least not all of them.