Patagonia, Argentina, 1880s. During the Conquest of the Desert, Marguerite, the French wife of Colonel Garay, in charge of protecting a new railway, discovers that a French woman is being held captive by the local natives.
Rose, 20, lives in Camargue with her brother Vincent, her elder, and her mechanic father who has never recovered from the departure of their mother when they were children. She serves as the wife and mother to both and, tired of this situation, she wants to go to Marseille to find a job, and then live there.
