A brilliant investigator, Shiho, who solves difficult cases one after another with her beloved husband. One day, her husband, who went to investigate the giant drug syndicate "Yamakita Rengo", comes back as a cripple after being addicted to drugs. Shiho breaks down in tears next to her husband, who died asleep, and vows to take revenge on him. However, the Yamakita Union used a special method of using anal to transport drugs safely. In order to make her boss trust her, Shiho has no choice but to sacrifice anal.
