Paris, France. Commissaire Wens follows the lead of a ruthless murderer to an unexpected place.
During the First World War, before joining a squadron at the front in 1918, Herbillon (Jean-Pierre Aumont) has a liaison with Helene (Annabella), a married woman. The young man discovers that his mistress is none other than the wife of Maury (Charles Vanel), an aviator friend.
The history of one of France's most famous streets is retold, featuring multiple performances from Guitry himself.
