A doll maker and his daughter Erika live in a remote mountain villa. When some thugs break in and murder Erika and disfigure the old doll maker, he sets about getting his revenge. He creates a life-size doll and has it possessed by Erika's spirit. The doll then tracks down Erika's killers one-by-one...

After being brutally murdered in a gangster-style execution, Kensuke Hagane finds himself brought back to life by a mad scientist and rebuilt as a robot-human hybrid with a serious thirst for vengeance and the tools to carry it out.