Jean Brière has lunch at the restaurant in the company of Stéphane and Patrick, who have the mandate to reveal certain information to him, while ensuring that he does not cause harm following the investigation into Welsh. They then meet Kevin, who impresses them by explaining to them how one could go about cracking the criminal. The investigation into drugs at the school is making rapid progress, but the danger is growing due to the involvement of organized crime. Double agent Mélissa Quesnel wants to see this investigation through to the end.