Maurice Tricard

Having pulled off a robbery with his friend Maurice, Olivier leaves his mistress Lola and hides out in a small village in the country. He finds work, thanks to a young man named Gilbert, who introduces him to his sister, Monique. Once the robbery has been all but forgotten, Olivier intends to head back to Paris, but before he goes, he steals money from his employer. In Paris, Olivier wants to say a proper goodbye to Lola, but she is being blackmailed by Jérôme, an antique dealer who has recognized a necklace stolen by Olivier. Before returning to Monique, Olivier calls on Jérôme to recover the necklace.

1895. Discovery of X-rays. Researchers and scholars are true martyrs, because they do not know how to protect themselves against radiation dermatitis. Professor Belcour has to have one hand amputated, his assistant Henri Vermont, aware of the danger, has the courage to break up with his fiancée. Withdrawn to the countryside, they eventually recover.

On his fiftieth birthday, Serge Charan, a large industrialist overloaded with activities, decides to leave everything to go on an adventure. In a train heading for the Côte d'Azur, he meets six young girls returning to their boarding school. Arrived at their destination, Serge Charan rents, under an assumed name, a villa with a view of the garden of the boarding school. His presence arouses questions and the interest of young girls who are sensitive to his charm. But one of them, Simone, falls completely in love and runs away from boarding school.

The professional and sentimental misadventures of Maurice, a young engineer who works unsuccessfully on the development of a new model of airplane.

Bernard Lampré, a young composer, is engaged to Hélène Madelin, a gifted intern. Jealous of Professor d'Esperel, the great surgeon she proudly assists, Bernard, goes out and wanders in the rain all night long. He catches cold, falls ill and is sent to a sanitarium. There he meets again Jacqueline, a girl who studied music with him at the Conservatoire. Learning that she is dying, Bernard decides to play the comedy of love to soften her last moments.