When Sylvie and Jean-Pierre go away for the weekend, Julien throws a house party. Jacques is still depressed about what happened with Emma, so Julien and Marie decide to help. In trying to fix Jacques’s love life, they realize feelings of their own.
In the wake of the party, Julien makes a big decision regarding Marie. But while things stabilize on one front, everything else is in upheaval. For Julien, Marie, Jacques, and Sylvie, life as they know it goes up in flames.