The discovery of a suspect's body in a river raises tension. Investigators discover significant conflicts within the Demain Québec party. Pelletier and Noura confront Gregory about his alibi.

The discovery of DVDs in a hotel room rekindles the urgency of finding Aurélie. Pelletier finds an interesting clue to explain how Aurélie left the hotel. Pelletier and Renaud question a wealthy real estate entrepreneur.