Marthe is found dead in her own home. She is the killer's fourth victim. Lise, in shock, asks Marianne to come live with them so that she can get her strength back before returning to the care facility, which she ran away from in the middle of the night. As the killer continues to ensnare women, Clovis' and Lise's teams work hard to understand his operating methods and try to trap him.
Elenco: Barabara Schulz , Lannick Gautry , Claire Borotra , Philippe Duquesne , Marie-Anne Chazel , Armelle Deutsch , Jackie Berroyer , Laurent Bateau .