The maid of a clandestine brothel in Marseille is found murdered. The inspector Sergil, in charge of the investigation will employ somewhat particular methods in order to unmask the assassin.
Zoé, a pretty penniless girl, decides on the advice of her neighbor to embark on gallantry. After a brief failure, she meets a young boy, Jacques Lebreton who is about to get married. After causing the failure of this arranged marriage, she will have to play the role of wife of Jacques with his family, until the arrival of the uncle from America.
André Duroc pretends to be a duke in order to extort money from Aunt Solange. But his trickery is discovered, he must flee and, thanks to a uniform, takes part in the great maneuvers.
The evocation of Paris in the 1920s mingles with the rapid rise of the irresistible Caprice, a talented singer, and her tumultuous love affair with Jeff the composer. A photographer nicknamed Bagnolet, a gentle anarchist, gently monitors the activities of Caprice, who has become Lady Paname and, in the absence of morality, makes love triumph.
A series of crimes is being perpetrated around a famous singer. Strangely, during each of the crimes, the artist's voice is heard humming his favorite song. Suspicions lead to a chase through a nocturnal Paris, ending in a disused theater where the assassin has lured his final victim.
In 1860s France, a couple who have recently acquired a dilapidated country house in Vendôme discover within it the secret of a passionate love affaire that once took a macabre and sadly turn. it all began 50 years previously, when the wealthy landowner Gérard de Clergue fell madly in love with the beautiful young dancer Clara Biondi. In the course of the ensuing romance, Gérard remains blissfully ignorant of the fact that Clara had a previous lover, James de Poulay...
In Macao, where places of pleasure and arms trafficking are concentrated, a tragedy opposes an adventurer and his daughter whom he has brought up in ignorance of his profession. She is torn from her environment and saved from tragedy by a young journalist who loves her.
The itinerant musician Lampluche, having found a musical score on the banks of a river and a full wallet, was taken to the neighboring town for the famous composer Maxence Leroy. The inhabitants of the small town only dream of music, so Lampluche is very well received. But Maxence Leroy arrives in the city.