The British Admiralty is worried: several cargo ships carrying troops have mysteriously jumped off Gibraltar. The Admiralty calls in the Intelligence Service to find out the cause of the destruction before new units arrive. Lieutenant Jackson, of the Marine Infantry Regiment stationed in Gibraltar, spends all his duty time in Tangier, where he is attracted by his love of poker and a beautiful dancer, Lola. Despite the objurgations of his general and the tender friendship of Cathie, his general's daughter, he can't stop playing and loses a very large sum one evening.

When her fiancé breaks off their engagement, Danielle leaves London and returns to her mother, Jenny, in Paris. With her business partner Benoît, Jenny runs what appears to be a respectable nightclub – it is in fact a place where wealthy men can buy the favours of attractive young women. Oblivious to her mother's professional and personal life, Danielle meets a handsome young man named Lucien, and falls in love with him – not realising that he is Jenny's lover...

The mysterious death of a well-known criminal sparks an investigation into national security.

The mysterious death of a well-known criminal sparks an investigation into national security.

The film, based on a Jean Stelli sroty, tells the adventures of a lieutenant of marines and the mystery of the ship explosion caused by a spy network.

During the Tour de France, five riders are found murdered with a red tulip near their bodies. A journalist and a police inspector lead the investigation to unmask the murderer.

In 1914, in the first months of World War I, Louise Jarraud loses her husband, killed on the front. Shortly after, she gives birth to a baby, who soon dies. Devastated by this double misfortune, Louise decides to dedicate her life to caring for the children of others. She becomes a nurse with several employers, giving her affection to little boys or girls. A widower and another man propose to her but she refuses twice determined as she is to live only for the children in her charge.

Envoi de Fleurs is based on incidents in the life of French composer Paul Delmet. Played by popular French singing star Tino Rossi, Delmet is depicted as a man all too willing to give up personal happiness in favor of blind ambition. After carrying on a romance by correspondence with beautiful young Suzanne (Micheline Francey), Delmet is on the verge of marrying the girl. Instead, he allows himself to be talked out of leaving France to further his own career, with disastrous results for all concerned.

The misadventures of two Parisian bohemians who imagine they've discovered oil in the South of France.

The Secret Service abducts a "rocket scientist" to better protect him against gangsters acting for Chinese agents.