For seven-year-old M, the world is guided by a firm set of principles, based on her father D's life as a traveling salesman. Enchanted by her father's trade, M convinces him to take her along on his routes, selling hardware supplies against the backdrop of Pinochet-era Chile. As father and daughter trek from town to town in their old Renault, M's memories and thoughts become tied to a language of rural commerce, philosophy, the cosmos, hardware...