"For the sake of crushing evil, I have no resistance to undressing. It's only a matter of fulfilling the mission." The undercover operation begins at the fully nude restaurant, which has become a hotbed of dark transactions! Investigator Tsuruta, burning with a sense of justice, does not hesitate to fully undress, a rule for entering the establishment, for the sake of the mission. However, after being caught, his junior, Sanada, rises to the occasion.