The terrible discovery at the cemetery plunges Laurent into an emotional whirlwind. Dark secrets seem to unite Jeanne's friends. A disturbing video of Sire Sinistre, published online, worries Lily-Rose and Pelletier.

In the morning, a dead young woman is found in the parking lot of a shopping center. The investigation experiences a sudden turnaround following the discovery of the body. Lily-Rose and Renaud learn astonishing revelations concerning Rachel.