The Belgian and French police investigate the activities of Michel Fourniret, a serial killer who was active on both sides of the border.
On the road of Briançon, David's car hits a young immigrant chased by the police. Instinctively, David hides him into the boot, and brings him to his home with his wife Gabrielle and his two children. Upset by this teenager's fate, David will help him by all costs.
