In a labyrinthine industrial seaside town, random people spontaneously combust for no reason. Suicide? Murder? Supernatural phenomenon? To investigate this mystery, Louise, a young journalist, as ambitious as she is unstable, joins forces with Gabriel, a brilliant psychiatrist who carries the grief of his son's death. Soon, six fiery letters start to turn up on the city walls: MOLOCH. Louise and Gabriel must embark on a terrifying journey to the heart of their own personal hell, in order to get to the truth. At the risk of getting burned themselves.