Arthur Morgane prépare sa fuite et fait chanter François : s'il veut sauver sa fille, il doit tuer Vincent, son frère. Acculé, François n'a pas le choix. Alors que Bérénice et son équipe enquêtent sur un homicide, Barral annonce à Chapelle le démantèlement de la cellule d'investigation...
Arthur Morgane is preparing his escape and blackmails François: if he wants to save his daughter he must kill Vincent, his brother. François is beside himself, he has no choice. Whilst Bérénice and her team investigate a murder, Barral tells Chapelle his unit is being disbanded...
