As the full moon sends the town into a frenzy, Hermann grapples with ghosts from his past, and Siriani seizes a chance to inspect the quarry.

Laurène stumbles on a surreal crime scene near a piano in the forest. Cora searches for clues to Roman's fate. Garnier digs up info on Siriani's past.

As Laurène desperately tries to escape the ravine and get help for Teddy Bear, memories of her kidnapping surface. Siriani makes a troubling discovery.