Sei hanzai sôsa III: Hishin o nurasu kiba (2011)

Chief Saki of the Sex Crimes Investigation Division. The Sex Crimes Investigation Division was specially established to tackle sex crimes occurring day and night. At times, Chief Saki herself conducts undercover operations using her own body. Tsuchiya, the boss of the First Investigative Division, disapproves of this. He constantly obstructs Saki, yet orders her to work alongside a female investigator dispatched from the Hong Kong Police