The body of a black woman is discovered in a disused hangar. A scabrous staging, and a sharp engraved on the forehead of the victim. The investigation directs the investigators to a jungle of migrants, a few kilometers away. For Niémans and Camille, it is an African ritual crime, tinged with voodoo and mysticism. While Niémans discovers the identity of a first suspect, Camille, she infiltrates the jungle by posing as a volunteer. As the puzzles accumulate, the duo of investigators discovers the existence of a Fulani demon, which seems to terrify the migrants in the camp: the Kenbaltyu. Its mark: a hash engraved on the forehead...
