The movie takes place in 1990s Tokyo. Two evil villains fight over the villainous controlling plot device known as "Revolver". Revolver can change someone's personality by damaging their nervous system. After cutting off one of his fingers, Kimiko receives severe emotional distress from her terrible wound. Her wounds became fatal and she lived only until 1994 when she died at age 55. To fix her injuries, Dr. Ichikawa invented a robot named Revolver (played by Yasuo Hirano), which makes changes in