This is the thrilling tale of a man who chooses to devote his life to evil. A gifted swordsman plying his trade during the turbulent final days of Shogunate rule, Ryunosuke (Nakadai) kills without remorse, without mercy. It is a way of life that ultimately leads to madness.

When a bloodthirsty legion of half-man/half-beast Krugs rampages through his village, one man picks up a sword and undertakes a quest of vengeance and honor. Haunted by the memory of his son's death and the kidnapping of his wife by the Krugs, Farmer ignites a duty-call for others to join his crusade to stop the campaign of terror waged by an evil sorcerer whose ruthless quest for the crown could spell doom for the entire Kingdom.