TV adaptation of the novel by Stanislas-André Steeman.

Paris, France, December 1946. Jenny Lamour, an ambitious cabaret singer, and Maurice, her extremely jealous pianist husband, become involved in the thorough investigation of the murder of a shady businessman, led by Antoine, a peculiar and methodical police inspector.

Paris, France. Commissaire Wens follows the lead of a ruthless murderer to an unexpected place.

Paris, France. Commissaire Wens follows the lead of a ruthless murderer to an unexpected place.

A mysterious figure signing himself "The Ferret" keeps sending letters to the police, tipping them off about murders that are to be committed around Paris. Among those caught up in the police manhunt is a fraudulent clairvoyant.

In Shangai, the "Green Dragon" threatens to kill Herbert Aboody, a rich exporter, unless he pays him 50,000 dollars. One of Aboody's secretaries calls inspector Wens for help. An amazing fact occurs, Wens kills Aboody and then disappears. What is the key to this mystery?

Set between Christmas and New Year, the film told the story of six criminals who kidnap an ambassador's daughter and await the ransom; enter Monsieur Wens, who infiltrates their hideout using various comic disguises, bumps them off one by one and rescues the little girl.

Paris, France. Commissaire Wens follows the lead of a ruthless murderer to an unexpected place.

Professor Artus, a scientist specializing in artificial life, wants to try an experiment on an automaton; he is entrusted with a death row inmate. The professor is soon found murdered. It is Inspector Wens, helped by a journalist, who must solve the case. Franck Villard in the role of Wens succeeds Fresnay.

A murderer terrorizes the city of Buenos Aires by attacking on the streets on rainy days and always leaving a card with the name "S. López". A local boarding house full of eccentrics appears to house a possible suspect.