The Lemeuniers have just sat down to a quiet dinner when the doorbell rings, turning their world upside down: their eldest son Brice has been arrested by the police as a suspect for five murders. Evidence and motives soon pile up. But unlike everyone else, teenaged Martin remains convinced of his brother's innocence. Armed only with his conviction, he sets out on a terrifying quest that will reveal unbelievable secrets. With his life on the life, Martin keeps moving forward, unflinching, to save Brice at any cost.