Xavier makes a decision that will change the course of his life. It is the turn of investigator Gauthier to testify at Gaston's trial. The latter wants to take action at the Violence Prevention Center. Michèle goes to the detention center to assess his sincerity and has a disturbing conversation with him. Juliette orchestrates a meeting between Léane and Benoît, a DPJ worker. She sends an SOS to Christophe when Léane's father, Pierre-Paul, shows up at her house to talk to her and take her home. Will Christophe be able to make him listen to reason?