Police officer Antoine Delille is in charge of putting an end to the activities of a kingpin, Jo Pinelli, trafficker, racketeer and pimp. He has three women working for him, including Eva and Jeannette, and is currently conditioning a charming, naive Orly employee, with whom he poses as an honorable businessman. Inspector Delilles plan is to arrest Jo for some crime and, while hes being held at the P.J., to delve into his other criminal activities and confound him.