Sebastian, a young man, has decided to follow instructions intended for someone else, without knowing where they will take him. Something else he does not know is that Gerard Dorez, a cop on a knife-edge, is tailing him. When he reaches his destination, Sebastian falls into a degenerate, clandestine world of mental chaos behind closed doors in which men gamble on the lives of others men.
It is 1943 in Paris. Like so many others, the Bourbelle family's home has been taken over by the Germans and they now live in their cellar. Little do they know that the son, Guy-Hubert Bourdelle, is far from being the cowardly hairdresser he pretends. He is in truth the Germans’ most feared opponent: le super-résistant!
In the heart of a city, the inhabitants of a tower wake up one morning to find that their building is shrouded in an opaque fog, obstructing doors and windows - a strange dark matter that devours anything that tries to pass through it. Trapped, the residents try to organize themselves, but to ensure their survival they gradually succumb to their most primitive instincts, until they sink into horror...
