Aino is a female detective who was once a hostage in a serial rape case. Her lover, a fellow detective, died in the line of duty while rescuing Aino. One day, a hostess in Roppongi is murdered, and Aino, seeing the scene, is convinced that it was the work of the rapist from that time! A female detective is prepared to sacrifice herself in search of clues to arrest the culprit, and so begins her fight... [Special appearance: Ayumi Tsubasa]