The Sheik gathers his men to attack Omair's camp. Omair tries to rape Diana. The Sheik and his men rush in. The Sheik kills Omair, but he is injured. Diana discovers that the Sheik is not an Arab. His father was British and his mother Spanish. They died in the desert. Their child was raised by the old Sheik. When the old man died, the Sheik returned to rule the tribe. The Sheik recovers from his injury. Diana confesses her love.