Aviator Marie Vallières de Beaumont (Cotillard) goes on a journey to find her lover Bill Lancaster after his plane disappears in the Sahara. After her plane is forced down in the Ténéré she meets Lieutenant Antoine Chauvet (Canet) of the French Camel Corps who joins in the hunt for Lancaster. As the two endure hardships in the desert, they begin to develop feelings for each other.
