Under the iron rule of a shadowy government that employs PSYCO—a brain-washing technology capable of reducing anyone to an obedient slave—resistance seems impossible. That changes when a young man named Kazuya stumbles across Henry, the mechanical leader of a rebel faction made up entirely of young women who have already been brainwashed by PSYCO. Together, Kazuya and Henry must fight their way through the compromised agents and dismantle the system that controls them.