Nick, a Parisian businessman, divorces his rich American wife, marries his new secretary Marie, but is prevented from success in France so travels without his wife to an African outpost. He tells his young assistant Gilbert about his wife. When Gilbert takes sick and returns to Paris, he begins to fall in love with Marie.

At the borders of the Saharan desert, the dramatic situation of a battalion of light infantry attacked by the enemy.

The woman thief evades a young lady who is onto his game, but then tries his wiles elsewhere on a married woman by attempting to compromise and ruin the husband she is happy with.

The spahi Jean Peyral is very in love with the flirtatious Cora. When he realizes that she betrays him, he tries to kill himself. He is saved by the tenderness of a young native, Fatou.