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.

Grey, an elite detective, has the mission to investigate the assassination, in Paris, of a great Hollywood star. There is no real motive, and yet the suspects are numerous. The investigation promises to be long and difficult.

Mr. and Mrs. Noblet run a boarding house on the French Riviera. One day, they are led by circumstances to welcome a little boy Pierre, whose father is in jail, into their home. Which makes Louise Noblet all the happier as she can't have children herself. But, after a while, Pierre's father is released from prison and reclaims his son... Time passes and Pierre, now a young adult, lives in Paris more or less on the wrong side of the law. He has a mistress, Nelly, who does not say no to other men's money... Louise, who still loves Pierre as her own son, wants only one thing - to help him get by.

In a small hotel on an English beach, an agent from the Intelligence Service is responsible for finding an important stolen document. At night, a theft of jewelry, including a superb emerald, complicates the investigation. The search for the double culprit proves to be difficult.

A crime has been committed. Two police officers with very different personalities are in charge of the investigation. This one turns out to be complicated, the culprit being almost unsuspected.

A blackmailer is murdered. Vauzelle, the lover of the beautiful Michelle Korany, is suspected because he was the one who was being blackmailed.

A young journalist hungry for scoop lets himself be suspected of a crime to write a report.

Inspector Doirel investigates the murder of a man whose servant was found tied up. He discovers very quickly that the servant has lied. The latter ends up denouncing his accomplice who is arrested when he was going to kill the informer.

Cruchadouze and Castaniet are two inseparable friends. One day they decide to leave Arcachon to try the adventure in Bordeaux. After various odd jobs, they come into contact with Betty Florent, the banker's wife. This one has just been contacted by a former accomplice who blackmails him by offering him an insurance scam. A big bonus on the head of a simpleton. Cruchadouze was passing by.

The farmer Remy has just invented a new fertilizer and spies are trying to seize his documents, taking him for the famous Remy, inventor of a device of interest to national defence.