A charred body is found in Brocéliande Forest with a shocked and speechless 13-year-old boy next to it. What is he doing there? How is he involved? Two gendarmes and an unconventional child psychiatrist try to clear up the mystery.
Jérôme has killed Driss, of Moroccan ancestry, who used to be his best friend. Is it an accident, a drama caused by jealousy or a racist murder? The story of Jérôme's long drift is discovered as the police carry out its investigation.
In a region that was once the flagship of the mining industry, two long-term unemployed men come up with the idea of building an "artisanal" amusement park on the site of a disused coal mine. By saving the mine and its memory, they will regain their strength and dignity.