When the disappearance of children and bloody murders multiply in a small mountain village, an old legend shrouded in sulphur reappears... Commander Guardiano and Captain of the Gendarmerie De Rolan are forced to join forces to uncover the truth.
Phase 4 Productions, Place du Marché Productions, uMedia, Star Invest Films Production, Région Grand Est, OCS, uFund, France Télévisions, Palatine Étoile 8, SG Image 2021, Conseil Département Du Loir-Et-Cher, CNC, WTFilms, Dark Sky Films