As a child, Genghis Khan watched his father die after being poisoned by a rival cheftain. He suffers additional tragedies as an adult including the kidnapping of his wife and betrayals by his closet friends. How did the events of his childhood shape the man who would become Genghis Khan? What impact did the Mongol invasions have on the history of Asia and on the psyche of Europe? Part of the "Butterfly Effect" series.