In Sébastien Marnier’s eerie drama, a high school teacher throws himself from the classroom window before the terrified eyes of his students. Despite the tragedy, six of them remain oddly calm and unemotional. Pierre, the new substitute teacher, soon notices the hostile behaviour of this close-knit clique. Smart and precocious, the six teenagers seem to be harbouring a dark secret. As Pierre becomes increasingly obsessed with them, he is quickly sucked into their sinister game.The film contains footage that some viewers may find disturbing.