Following "The Two of Us", Claude is now 21 years old. Content with his life, he has a girlfriend Tania and he aspires to become an actor. When he receives his draft notice, a friend convinces Claude he can get out of military service with his connections in Paris. When the connections fall through, Claude is sent for basic training outside Paris before being shipped off to Algeria. His stops in Morocco and Algeria are uneventful as far as military action goes. He returns home with few bad memories of his army life ...

C'est la suite du Vieil homme et l'enfant, le petit garçon ayant maintenant l'âge de faire son service : 21 ans. Un ami affirme pouvoir le pistonner dans l'armée de l'air pour qu'il reste à Paris. Mais des troubles surviennent au Maroc où il est finalement envoyé.