When French criminal Corey gets released from prison, he resolves to never return. He is quickly pulled back into the underworld, however, after a chance encounter with escaped murderer Vogel. Along with former policeman and current alcoholic Jansen, they plot an intricate jewel heist. All the while, quirky Police Commissioner Mattei, who was the one to lose custody of Vogel, is determined to find him.
The detectives of the Paris Judicial Police, based at the Quai des Orfèvres, are mobilized by four criminal cases. A double murder, perpetrated in a hotel on the Place de Clichy, intrigues the investigators. The owner and a little maid were murdered in cold blood.
Arlette thinks she has made a wonderful gift to her daughter Sylvie, who has just married François Morel, a young journalist. And, to tell the truth, not everybody receives a posh little bar like the Royal Montmartre as a gift. The trouble is that Monsieur Jo, the former owner of the joint is also the boss of a gang of drug traffickers. And that he has managed to persuade the pair of naive lovebirds to drop a painting to a friend on their way to their honeymoon place. Now the picture is stuffed with drugs! The honeymoon trip promises to be eventful...
In the early 1950s, the popular radio show "La Kermesse aux Étoiles", hosted by the famous Jean Nohain, mixing lottery games and performances of various artists, will be disrupted by the adventures of a man and his fiancée seeking to recover a dangerous bottle of perfume (explosive) which was unfortunately mixed with the prizes to be won ...
To escape his female fans, Carlos Cortez makes for the Riviera. Along the way, he picks up a hitchhiker named Annabel who invites him to go camping with her friends. Living under his real name, the incognito star wins new friends. But a theft complicates things. Fortunately, Annabel is still around and Jacques can do no better than to marry her.
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.
A famous singer disappears in a plane crash. Her two little girls are given a new home by their grandfather. Unfortunately the good man has an old housekeeper who goes out of her way to make their lives impossible. In desperation the two brats run away to Paris. Meanwhile, the girl's father manages to steal important documents. In the end, Gaby and Ginette track down their mother who had not got killed at all. All is well that ends well.
Jacques Mervel, also known as "L'Homme de la Jamaïque" makes use of his talents as a gun runner in Tangiers, Morocco. After triumphing over a rival gang, he decides to quit the job and to start a new life with Vicky, a pretty young nurse. In Paris, a doctor lets him know that he is affected by leprosy. In desperation, Jacques runs away from Vicky to spare her. When she realizes the reason why Jacques has disappeared from her life, she joins him with a view to helping him fight the disease.
A journalist who deals with the column "courier du cœur" has the absurd idea of launching an investigation into the death of a pianist whom he claims to have been murdered. To dazzle his wife, a reporter for the newspaper, he disguises the facts in such a way that the police suspect him, then declare him guilty. It takes a number of adventures to get him out of this mess and get him back into his section.
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.