Episode 1
Laurène shortens medical leave to investigate a murder. In a flashback to 57 BC, Roman soldiers suffer a mysterious attack.
Episode 2
While Nounours analyzes the images of the victims, Laurène returns to the library to search about ancient Celtic rituals.
Episode 3
In the lake, a bees attack leads to a sinister discovery. Laurène holds Jonas to find out what he knows about the figure in the forest.
Episode 4
The full moon leaves the city bustling. Hermann struggles with ghosts from the past, and Siriani does not miss out on the opportunity to inspect the quarry.
Episode 5
Laurène finds a surreal crime scene, entitled to a piano in the middle of the forest. Cora tries to figure out what the end of Roman was. Garnier investigates Siriani's past.
Episode 6
Laurène remembers details of her kidnapping while trying to get help for Nounours. Siriani makes a disturbing discovery.
Episode 7
With the team embezzled and the day of the dead ever closer. Laurène begs for reinforcements. Strangely agitated dogs lead her to a new corpse.
Episode 8
When animal bones begin to appear in Villefranche, Laurène and Bertrand set up a team to search the forest, and the Children of Arduinna prepare their attack.
