In the 17th century, two Portuguese Jesuit priests travel to Japan in an attempt to locate their mentor, who is rumored to have committed apostasy, and to propagate Catholicism.

A band of samurai set out to avenge the death and dishonor of their master at the hands of a ruthless shogun.

The story recounts the early life of Genghis Khan who was a slave before going on to conquer half the world including Russia in 1206.