Samurai Manji has taken a lot of lives, both innocent and guilty, and now lives life in feudal Japan as a criminal. After being cursed with immortality until he kills enough evil men, Manji meets a young girl who enlists him to be her body-guard. Swearing loyalty, protection and vengeance against the group of sword fighters who slaughtered her family, the unlikely duo set on a remarkable quest to make right against those who did them wrong.