Grey, an elite detective, has the mission to investigate the assassination, in Paris, of a great Hollywood star. There is no real motive, and yet the suspects are numerous. The investigation promises to be long and difficult.

During a transvestite ball, a young provincial meets Fanny Legrand. A great love is born between them. Later, the young man learns that Fanny was a great coquette. He leaves her, he comes back, he forgives. But when he embarks for America, Fanny does not follow him.

In a small hotel on an English beach, an agent from the Intelligence Service is responsible for finding an important stolen document. At night, a theft of jewelry, including a superb emerald, complicates the investigation. The search for the double culprit proves to be difficult.

Narcisse is a doorman for a jeweler but dreams of becoming a private detective. The Criminas agency hires him and he comes to the aid of his former boss's nephew, accused of stealing jewelry. He first passes for the accomplice of the young man but soon discovers the culprit.

Unhappy with her humdrum life as a provincial schoolteacher, Audrey Greenwood marries Major Carter, an officer in the British Army whom she does not love. Not long after the wedding Carter is on his way to Malaysia, accompanied by his wife, to take up a post in the British colony. During the long sea voyage, Audrey becomes acquainted with the handsome Prince Selim, the heir to the Malaysian throne. Life in the province of Malacca soon proves disagreeable to the free-spirited Englishwoman and she becomes a social outcast when her amorous affair with the prince is discovered.

French-language version of Port Arthur (1936), a German language film (q.v.) co-produced by German, French and Czechoslovakian film interests. About espionage, action and romance in the Russo-Japanese War, as the conflict threatens Russian naval officer Boris Ranewsky and his Japanese wife Youki.

An English gentleman himself causes his own burglary to better suppress the formidable gang which, after having murdered his brother, is now attacking his fortune.

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.

Daughter of a French officer and an Annamite, Mahlia was brought up in Indochina by Mr. and Mrs. de Roussière. Their son, Henri, would like to marry her but they are against it. Mahlia flees and Henri is killed for trying to protect her. The young girl enters the Mission to raise children there in the love of France.

The exploits of Chief Police Inspector Chabrier, first before the invasion of France in May 1940 as he fights against spies preparing the coming the Germans, particularly Emmy de Welder, the alleged manager of the Rouen hospital. Later, Chabrier and his men go underground and resist the occupiers whatever the price to pay. When the Liberation comes Chabrier resumes his activities at the French National Police.