During an Arabuprising in North Africa, the European employees of a copper mine are besieged and need urgent help. When his government refuses to provide military assistance, the firm's Parisian owner sends his nephew Henry Bertell with weapons and ammunition. A rival company is behind the uprising, and sends one of its agents, a dancer named Collette, to seduce Henry and foil his mission. However, as they travel through Southern France, she falls in love with him and changes sides.
