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", is addicted to drugs and returns as a cripple. Shiho breaks down in tears beside her husband who died asleep, swearing revenge and infiltrating the hideout of the Yamakita Alliance as a "courier". 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.
