A police chief and an eccentric new prosecutor investigate a string of grisly crimes and eerie phenomena in an isolated town at the edge of a forest.
Cast:Suliane Brahim , Camille Aguilar , Brigitte Sy , Hubert Delattre , Laurent Capelluto , Samuel Jouy , Renaud Rutten , Naidra Ayadi , Anne Suarez , Kit Sheehan , Laura Richardson , Dan Herzberg , Olivier Bonjour , Thomas Doret , Tiphaine Daviot , Samir Boitard , Théo Costa-Marini , Cyrielle Debreuil
Laurène cuts her sick leave short to investigate the murder of a quarry worker. In flashbacks to 57 B.C., a Roman expedition takes a harrowing turn.
While Teddy Bear combs through the latest victim's Super 8 footage, Laurène returns to the library to research ancient Celtic rituals.
A bizarre bee attack leads to a grisly discovery at a pond. Laurène takes Jonas into custody to find out what he knows about the figure in the forest.
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.
With the squad hobbled and the Celtic day of the dead looming, Laurène begs a commander for reinforcements. Dogs lead the way to another body.
As animal bones pop up around Villefranche, Laurene and Bertrand assemble a team to scour the woods and the Children of Arduinna prepare their attack.