Robert and Françoise Monier make a hot air balloon to fly to the stratosphere. After a visit to Venus, they return home, but have only aged 15 days whereas 25 years have passed on Earth.

The everyday life and activity of "La Dernière Heure", a major evening newspaper, seen through the eyes of Hélène Perrin, a cub reporter trained by Pierre Rabaud, a star in his field. Side by side they will investigate several events: an air show that ends tragically, the coming to France of a Hollywood actress, a lightship caught in a terrible storm...

A former colonial official lives far from Paris with a dry cousin who pays attention to his heritage. He never took care of his son, married to a singer, even less of his granddaughter Colette. The chances of life mean that the grandfather is obliged to take in Colette for a while. This works wonders, unmasks the cousin conniving with cronies, unravels the intrigues, thwarts the machinations and reconciles all the members of the family.

The Paladines write crime novels together. In a cinema, they happen to see a report on the consequences of a shipwreck in which Lieutenant Dupuis tells about the death of an old man in the lifeboat carrying the survivors. Husband and wife agree that this could be the starting point of a new story and go and see Dupuis to get more details about the drama. When they come to his hotel Dupuis is dead with a bullet in his head. Police characterizes the death as suicide but Paladine has found a train ticket in the dead man's pocket. With his wife he takes the train to the specified destination, somewhere in the provinces...

The formidable K.O. Bouillon killed trainer Victor's colt during a boxing fight. Strongly affected, Victor returns to the south to find his wife and adopted daughter. He discovers in the person of Bernard a seed of champion which he ensures the training in secret...

Claude, who temporarily replaces his father at the head of a department store, falls in love at first sight with a pretty female customer. He finds out that she is named Solange and that she is the goddaughter of Professor Hauteclerc, who runs a private psychiatric hospital. To come closer to the girl of his dreams, Claude has a crazy idea: he pretends to be mad so as to be placed in Hauteclerc's institution.

Going to take up his post in Moukden, the forest engineer finds in a trainer from the cabaret "the midnight sun" a Russian princess, Armide, whom he once loved. He had met her in 1917 when the princess and her father were driven from their domain. Prince Ireniev is a gambler, a trickster, a matchmaker. Out of love for Armide, Forestier flew, and yet when he finds the two wrecks, he cannot resist. Abandoning everything, his position and his honor, he leaves with the woman of his destiny.

A well-off young woman decides to become a nun, joining a convent that rehabilitates female prisoners. Through their program, she meets a woman named Thérèse who refuses any help because she says she was innocent of the crime she was convicted for. After being released from prison, Thérèse murders the actual perpetrator of the crime and comes to seek sanctuary in the convent.

Ademaï is very happy to spend a vacation month in Corsica, invited by his family; when he arrives, much to his surprise, all the male relatives have just been shot.

With a hand of steel, Hélène efficiently runs a big luxury perfume factory in Grasse. There is no room for fun in her dull businesswoman's life. Then, a car accident drops Claude Dubois, a painter, into her lap. But the artist will have to deploy all his subtle wiles and clever tricks to rouse Hélène's feelings and get her to enjoy the cozy life of a cherished wife.