Pierre, a railway worker in his fifties, is raising his two sons alone. When Louis, the younger son, leaves home to study at the Sorbonne in Paris, Fus, who is a little older and not doing so well academically, becomes increasingly secretive. Fascinated by violence, he finds himself involved with extreme right-wing groups, the very opposite of his father's values. Soon tragedy strikes… Discover the complexity of father-son relationships, from unconditional love to violence and constant conflict.