Fifteen-year-old Sébastien Lecoeur is headed to the country for the weekend with his father. In a hurry to arrive before nightfall, his father is driving much too fast. As the car hurtles through a sleeping village at full speed, they hit a figure by the side of the road. The shape crashes against the hood of the car. Sébastien screams, but his father turns off the headlights and accelerates - could he have not seen anything? What will happen between father and son in the weeks that follow? How will the burden of this terrible secret affect their relationship? Their hit-and-run may drive them down a road neither is prepared to handle....

Une nuit, alors que Paul se rend en voiture à la campagne, il percute une personne de plein fouet mais ne s'arrête pas pour lui venir en aide. A bord du véhicule, son fils Sébastien promet de garder le silence mais sort traumatisé de cette expérience. Au fil des années, ce terrible secret ébranle la relation entre les deux hommes.