The Khwarezmshahs and the Mongols, find themselves in a struggle for dominance at the beginning of the 1200s. Although Celaleddin does everything to warn his father, he would not be able to stop the Mongol invasion.
Celaleddin Harezmsah takes the throne of his occupied country after his father's unexpected illness. Even though his means are limited, he starts an epic resistance against Genghis Khan and the Mongols.
