Mathilde discovers a secret from Carolanne, who begs her to keep it to herself. The team learns more about the murdered dealer's relationship with the man he worked for, Gabriel GéGé Goulet.

At another crime scene, Jean-François warns Élias Viau to change his tone with his team. The animosity is palpable. The anti-gang squad realizes it is also in competition with the gendarmerie. Jean-François has another conversation with Goulet.

Mathilde and Carolanne realize that it's not easy to get a biker's relatives to talk. Cedric Murphy, the son of Irish mob boss Dan Murphy, tells his younger brother Noah to be more careful about his girlfriends. Fanny calls Karine to invite her for a drink.