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...

Hélène, a young waitress working in a bar frequented by German soldiers, saves the life of Pierre, a Resistance fighter. Her jealous lover has her arrested first and then released. Later on, Hélène is wounded while walking in the streets. Pierre has her transported to friends with the hope of taking her to London with him. Unfortunately, owing to lack of space in the plane, Pierre has to fly alone. Hélène has to wait several weeks before being able to board a new plane. When the day comes at last, the Germans are waiting for the plane on the clandestine airfield.

Chatelard, one of Viscount de Kerlec's guests, has died in mysterious conditions. The police initiates an investigation and sends detective-inspector Pauc to de Kerlec's manor. Pauc decides to mingle with the viscount's guests , who are all likely to have committed the murder. Among them, there is Jacques Mauclerc, a naval officer, and a seedy character named Bartoli, in fact a spy in search of secret documents. Pauc will end up untangling the web during a dramatic séance.

A father wants to try by all means to avenge the death of his son, a test pilot, whose responsible is the attractive female star of a Parisian cabaret.

Rémi sees his marriage troubled by a scandal caused by his former mistress. He takes refuge with his godmother while his wife organizes her revenge.

Georges, hunted by the Germans, had taken refuge with his brother, Commissioner PJ Paris. Once released, he teams up for the sake of a girl with the lackluster Zattore. A bank is robbed, but the police is fast and Georges will either lose his life.

Duped by a pretty woman who uses him to smuggle a suitcase containing the proceeds of a theft through the station, an honest fellow understands everything and replaces the suitcase with a similar one. The police do not understand anything, but the pretty girl promises to become honest like the one who almost was her pigeon.

When Nadia, his unfaithful mistress, breaks up with him, Patrick Lambert decides to kill himself. But before he reaches the point of no return he is stopped in the act by Camille, a burglar who has just broken into his house. Thanks to him and also to Rosita, Camille's girlfriend who falls for him, Patrick forgets his gloomy thoughts. It is the beginning of a series of crazy misunderstandings and adventures.

Isabelle is a lawyer who has Flip, a private detective, convicted of speeding. But shortly after, a murder is committed of which Isabelle's best friend is suspected. To save her, Isabelle is forced, despite her reluctance, to ask Flip for help, who agrees to look for the culprit.

Schomberg, an enigmatic psychiatrist runs a nursing home. He is forced to close his clinic and disappear to escape the police. But he wants revenge on his wife's lover, Didier Laurent, a former RAF fighter pilot. Didier meets a young trapeze artist, Paula, with whom he falls in love. The happiness of the two young people is disturbed by the assassination of Irene, strangled by Schomberg who casts suspicion on Didier. Fortunately for them Commissioner Ulysses knows the truth and forces Schomberg to commit suicide.