With the tank truck of the company British Petroleum (BP), the Bozzetto fuel delivery man crosses mountain roads in winter. Headed to Val d'Isère in Savoie, it faces, night and day, the vagaries of traffic in snowy weather, and penetrates the life of the winter sports resort living to the rhythm of development activities. , sports and tourism: tunnel construction, snow milling machine, cable car, hotel and catering as well as skiing from the peaks to the village (off-piste descent demonstration by Lionel Terray).