A criminally insane scientist, Ryuichi Sakamoto, transfers his mind into a cyborg and immediately commits a series of rapes and murders. Among his victims is female police officer Selena Lam. The scientist Dr. Sara transfers Selena's brain into a cyborg named Eve-27, then copies her own persona into a robotic assistant named Ann. The cyborg-robot team pursue the criminal Sakamoto by investigating a series of murdered prostitutes.
