In a building a neighbor has listened to groans in a basement: Bernard and Agathe go with the neighbor to the basement and they find a laundromat token, a piece of cotton with chloroform and a mattress.They are thinking in a kidnapping, but the victim has disappeared.Chloé and Maxime are in charge of the case of a raped woman,Clémentine Berty.The man who raped her was wearing a balaclava and used a condom.The woman is sent to the hospital for a medical examination.When she comes back she tells Chloé that she and her husband go to a swingers club and the man mentioned that he knew that she was going to a swingers club .Also she remembers that the man used a toilet water that she knows.So Maxime and Chloé are thinking in a member of this swingers club.
—zutterjp48