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.

After proving himself on the field of battle in the French and Indian War, Benjamin Martin wants nothing more to do with such things, preferring the simple life of a farmer. But when his son Gabriel enlists in the army to defend their new nation, America, against the British, Benjamin reluctantly returns to his old life to protect his son.

Bruce Banner, a genetics researcher with a tragic past, suffers massive radiation exposure in his laboratory that causes him to transform into a raging green monster when he gets angry.