Postman Claude Dumont, the number one mail bearer of South-Western France, is at the pinnacle of his career. One day, as he journeys along delivering mail upon the vast rolling hills of Aquitaine, his pride is tested and exposed when he encounters the cheeky actions of a stubborn mailbox. Despite all his desperate attempts to outwit the box, it is only when he is brought to humility that he has a chance to finish his route.