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.
| Actor | Role |
|---|---|
 Ketti GallianHélène Marchand | Hélène Marchand |
 Albert PréjeanLieutenant Naud | Lieutenant Naud |
 Pierre RenoirStolberg | Stolberg |
 Jean-Louis BarraultOlcott | Olcott |
 René LefèvreL'instituteur Saillant | L'instituteur Saillant |
 André FouchéSous-lieutenant Beaumont | Sous-lieutenant Beaumont |
 Arthur DevèreGingembre | Gingembre |
 Jacques BaumerGomez | Gomez |
 Jean BrochardAdjudant Soulier | Adjudant Soulier |
 Geymond VitalBraun | Braun |
| JJean TémersonChailloux | Chailloux |
 Charles LemontierLe sergent Horn | Le sergent Horn |
 Marcel MelracDoholu | Doholu |
| AA.S. TakalAli | Ali |
 Jany Holt(uncredited) | (uncredited) |
 Rodolphe Marcilly(uncredited) | (uncredited) |