Stéphane, Isabelle and Bruno reassess the situation in light of Martel's arrest by the drug squad. Stéphane goes to meet Welsh to clarify things. He is incredulous when Stéphane reveals to him the extent of Juneau's debts to Martel. Isabelle is patient with Mr. Beauvais who wants to tell her about other disturbing events that take place in his residence. Bruno would like to work all weekend on the investigation, but he receives little encouragement. Nadine invites Patrick to dinner on Saturday evening on the condition that they don't talk about work, but one surprise doesn't wait for the other.