Nathan Algren is an American hired to instruct the Japanese army in the ways of modern warfare, which finds him learning to respect the samurai and the honorable principles that rule them. Pressed to destroy the samurai's way of life in the name of modernization and open trade, Algren decides to become an ultimate warrior himself and to fight for their right to exist.

Huo Yuan Jia became the most famous martial arts fighter in all of China at the turn of the 20th Century. Huo faced personal tragedy but ultimately fought his way out of darkness, defining the true spirit of martial arts and also inspiring his nation. The son of a great fighter who didn't wish for his child to follow in his footsteps, Huo resolves to teach himself how to fight - and win.