In a palace on the Côte d'Azur, a whole fauna evolves: a colonel who cheats on his wife, the colonel's daughter who flirts with Fred, Fred's friend, Emmanuel, who is in love with Marion, and Marion who kills himself. believing that Emmanuel does not forgive him for having, out of idleness, yielded to Fred one day.

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.

A businessman, Masson, who likes to party, wants to force his partner, Chabrat, a hard worker on whom the success of their fashion store depends, not to leave Paris. For this, he agrees with a young cabaret dancer, Zizi so that she pretends, for a fee, to fall in love with Chabrat who, more than anything, wants to be loved for himself. But Zizi soon finds herself in her own trap: she is “snatched”.

A father allows himself to be accused of the murder of a blackmailer to save his son who is the real murderer. But he is forced to confess, and commits suicide in his cell.

A middle-aged Parisian lawyer meets a young girl and falls in love with her. The girl's mother discovers the affair and the couple must flee.

Isidore Lechat is a ruthless self-made man whose money allows him to humiliate the others, particularly a ruined noble: he wants his daughter to marry this marquis's son but the girl is in love with a young scientist.

A rich peasant, Carvajan, seeks revenge on the castellan, Clairefont, with whom he had a serious conflict. Their respective children, Antoinette and Pascal, meet and fall in love with each other. Robert de Clairefont, Antoinette's brother, unjustly accused of murder, is defended and saved by Pascal. Finally, love, by uniting the son of one to the daughter of the other, will appease souls and reconcile families.

To teach a lesson to his young wife who dreams of the famous "voiceless singer", a husband enters a radio station and manages to make people appreciate his voice.

Fanny Le Doublond has a lover, Jean, and her husband is beginning to have suspicion. To calm him down she makes him believe that Jean dies of love for another woman and wants to commit suicide if his love is not returned. The two accomplices select a young creature named Claire Coussol for the (unwitting role)of the "beloved". As for Jean, he plays the suicidal man to perfection. But what the two lovers had not planned at all is that Claire, deeply moved by Jean's "act of desperation", starts growing fond of him.

The novelist Suzanne Delmont creates a character, "The Uncatcable Frédéric", a sort of Arsène Lupin. A mysterious stranger launches a press campaign accusing him of having a harmful influence on young people...