Alain lives locked up in a large house with his husband, Raphael. They were about to renovate the place and turn it into a bed and breakfast. A new virus, still unknown, poisoning the air, stops them in their dream. Alain is now obsessed with the idea of protecting Raphael, whose health is fragile. But the latter is suffocating, for him it is the house that is unhealthy, as if haunted.