Claude is called in to help find witnesses to the murder in Montreal North. Boileau reserves a bad surprise for Marie-Anne during a meeting with Me Janson. Lapointe receives part of the evidence in the case of the naturopath and worries for his client.

Marie-Anne and Boileau are at loggerheads as the trial of their clients begins. Kelly increases the pressure on Marie-Anne. Lapointe must deal with a scandal he did not see coming. Back from vacation, Léo finds Marie-Anne a bit distant, but doesn't know why.