Even a samurai lord has bartered his new born son's organs to fortyeight demons in market for dominance over the battlefield. But the infant survives thanks before confronting his daddy to a medicine man who equips him with crude prosthetics ones with which the wronged son use to hunt down the large number of demons to reclaim his body piece at a time. On his cries the young hero encounters an orphan who claims to become the best thief in Japan.