Jean-Etienne Vern asks for Josephine's help because he is summoned for a conciliation commission: Stéphanie, a former partner, declares the breach of her contract and accuses her of harassment. At the police station, Enzo's interrogation of Justine sets the police on the trail of Maria, the girl's best friend. Laure and his colleagues are trying to find young Roma but she no longer comes to college.
