A group of policemen look over three murder cases including a cutthroat that prays on young women, a madman that hid his deformed landlord's corpse in the floor, and a wine aficionado who buries his friend alive.

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.

An untiring lady social worker, Émilienne, has as one of her charges a stableman who was wounded by his mistress. Unfortunately, Émilienne's young sister who was helping her at work decides to go away with the stableman.

To be able to win paradise, a selfish old billionaire, who has just died, must make someone happy. He will have to guide a young girl through the intricacies of love.

Martine discovers, on the eve of her wedding, that her mother, whom she believed to be dead, leads an adventurous life. Pierre, her fiancé, unable to overcome his family's opposition to the revelation of this news, decides to kidnap Martine. The adventurer, who is not recognized by her daughter, agrees to leave France. The family of the young man will no longer put obstacles in the way of marriage.

A man who has made a pact with death must designate the member of a family who must die the next day. After many hesitations, he will sacrifice the innocent young girl so that she does not know the infamy of her family.

Augustin, the bashful but model secretary of Fontange,a tyrannical industrialist, is desperately in love with Christiane,his boss's daughter. Of course Daddy will never allow. On the contrary he wants to force his daughter to marry his business partner, a single man, whose money would be a welcome help. To escape such an unfortunate lot, Christiane must find a subterfuge. The solution is Bichon, the baby that Jacques, her younger brother, is supposed to have had from a certain Loulou. By claiming that the baby is hers and that Augustin is the father, she hopes to compel her father not to marry a man she does not love.

Darrac, a reporter for Paris-Inter, and Nicole, a journalist for Le Soir-Express, know each other, compete and end up falling in love over the three police investigations they follow for their newspapers.

For fun and to dazzle his wife, the novelist Morgan steals a ring and gets rid of it in the costume jewelry section of a supermarket. Sophie buys the diamond, which forces the novelist to embark on crazy adventures to recover the jewel.

Martine is a young woman of aristocratic origin who does not know the man to whom she is promised. She decides to set up a coup with a schoolteacher friend. She is responsible for flirting with the fiancé under the identity of Martine. The man is totally disappointing. Then Martine learns that he has used the same trick.