The first film shot in the small State of Sikkim (North Indian country).

During a French construction project in the Sudan, a military doctor fights against leprosy and the natives seek protection against witch doctors.

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.