In June 1944, as the Allies are fighting the Germans in Normandy, Lucien Lacombe, a 17-year-old country boy, tries to join the Resistance. The local Resistance leader, the village school teacher, turns him down on grounds of age. Lucien travels back to the town where he works by bicycle and stumbles on the hotel that is the headquarters of the Carlingue, the French auxiliaries of the Gestapo, and is taken into custody. Under the influence of alcohol, he betrays the teacher.
