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.

A nobleman decides to join a traveling group of actors to be with a girl he admires, but ultimately must rescue her from bandits