Alexander the Great has conquered the Persian Empire and is marching eastward to India. In his wake he leaves small groups of soldiers to govern great tracts of land and diverse peoples. Nikometros is a young cavalry captain left behind in the lands of the fierce nomadic Scythian horsemen. Captured after an ambush, he must fight for his life and the lives of his surviving men. He seeks an opportunity to escape but owes a debt of loyalty to the chief, and a developing love for the young priestess.