During the Meiji era and amidst the Russo-Japanese War, two brothers, Akira and Ao Mifune, who serve as doctors at a military hospital, embark on experiments to revive the dead based on notes left by their deceased father. After successfully conducting animal experiments using monkeys, military officers eager to utilize the resurrection technique for military purposes order human trials. However, in the midst of this turmoil, the younger brother Ao is attacked by a mysterious assassin group and meets a tragic end. Thus begins a suspenseful tale of forbidden and eerie medical practices!