La Piste du Sud (1938)

As Hélène is conveying her husband's body across the Sahara, her convoy is attacked by looters. The young widow survives only to be taken to a remote desert village called Tirzit amidst a band of lonely, ailing men. She meets her husband's partner who tries to kill her. Hélène does not report him to the police but is curious to learn the reasons for his action. Before dying of a terrible fever, the man confesses that he murdered her husband.