Having successfully dismantled a vicious criminal organization by arresting its boss, Matsui, and its executive member, Dick, female investigator Eri Takigawa was appointed to the honorary position of chief guard, managing the prison within the organization, in recognition of her achievements. An emergency has arisen! A man claiming to be a remnant of the organization is threatening them...the condition for releasing the kidnapped ambassador's wife is the release of Matsui and his men, and Takig...