The film homes in on 18-year-old Alex who’s been a fan of the Arthur fantasy film series since he was a child. When his close-knit group of friends surprises him with trip to an abandoned house where the film was shot, they unwittingly walk headlong into a twisted, mortal trap. What was once a childhood dream soon turns into a very real nightmare...

　　The 19 years old Thomas wakes up in a hospital after three years in a coma. He doesn't remember anything. The psychologist Anna tells him that his family has been murdered and that he is the only survivor of the massacre while his sister Laura is still missing.

　　Les habitants d’une tour de cité découvrent un matin qu’un voile noir obstrue toutes les fenêtres et la porte d’entrée de l’immeuble. Un voile noir qui dévore tout ce qui tente de le pénétrer…

　　Follows Louise, a young psychiatric who starts analyzing a dark and mysterious man, but after that, people around her start to die.