Les Films Maurice Cloche

When her father died, Dominique de Bellocombes inherited her ancestors' château, some worthless shares and a mine in Spain. To save the castle, which is in danger of falling into ruin, and pay off her debts, she is determined to marry Armand de Puysherbeux, whom she doesn't love, but who is rich. The situation changes abruptly, however, when news comes through that the Spanish mine holds a vein of untapped gold. Dominique leaves for Andalusia, abandoning her fiancé. Her fiancé, determined not to give up on the beautiful Dominique, precedes her to the site, destroys the plans and claims that the engineer is mad...

Dreaming of heroic deeds, a young missionary soon becomes disillusioned.

Micheline, who fled to Paris with the man she is in love with, finds herself on her own when he abandons her. She lands in a reformatory from which she manages to escape.

Annibal Onnis, a good man and major laundry manufacturer, has his wife's necklace stolen by a young starlet, Regina Rex, who has tried to seduce him. He hires two private detectives, Willis Sr. the father, and Willis Jr. the son, to track down the young woman. Tracking her down in La Baule at a beauty contest, Willis Jr. falls in love with Liliane, known as Régina Rex, and sets out to clear her name, convinced as he is of her innocence. After several comic twists and turns (including the temporary loss of the necklace), we learn that the starlet was hired by Mrs. Onnis to have her husband caught in the act of infidelity, a contract between the spouses stipulating that the unfaithful member of the household would pay 100 million francs to the other. Willis's dedication enables Annibal to catch his wife in the act. The Onnis are happily reunited, and Liliane and Willis Jr. look to the future with a smile.

By taking the defense of Raymond Denis, accused of having killed his mistress, when she committed suicide because he did not want to recognize his child, the lawyer Claude Nogent, learns that he himself was born of unknown father.