Olivier, a carpentry instructor at a vocational training center for troubled boys, has his world turned upside down with the arrival of Francis, a mysterious 16-year-old. Unbeknownst to Francis, a past tragedy, involving Olivier's son, connects him to his new teacher. When Olivier's ex-wife, Magali, is told of the boy's existence she is horrified. Olivier becomes obsessed, stalking the boy, furtively, while struggling to maintain a professional distance in his presence. As the secret that Bond's Olivier to the Francis is revealed, Olivier is thrown further into a conflicted world in which he is forced to take a journey of profound emotional and moral complexity.