

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.
Cinematography
Mist-choked Pyrenees that breathe and watch back
Direction
Bustillo/Maury finally restrained—tension over gore
Acting
Sandrine Bonnaire's doctor carries decades of guilt

Director
Alexandre Bustillo
Trivia, insights & behind the scenes
Bustillo and Maury made their name with 'Inside' (2007), infamous for extreme gore; this represents their mature pivot toward atmospheric dread.
The film draws on real Pyrenean folklore of 'Ankou' and sulfur mining disasters, where communities historically blamed supernatural forces for industrial deaths they couldn't explain or prevent.
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