Hell Train is a French film based on a true story. One evening at a ball in a small town, a fight breaks out in an atmosphere tinged with racism. Three of the ringleaders end up at the police station. The next day, November 14, 1983, on the Bordeaux-Ventimiglia train, the three men who were candidates for enlistment in the Foreign Legion beat Habib Grimzi, a 26-year-old Algerian, before throwing him out of a window. A young woman, who witnessed the murder, alerted the police. The investigation begins in a climate of extreme tension. In the city, provocations and attacks are increasing.