Belle and Sebastian is set high in the snowy Alps during the Second World War. The resourceful Sebastian is a lonely boy who tames and befriends a giant, wild mountain dog, Belle – even though the villagers believe her to be ‘the beast’ that has been killing their sheep.

Twenty year old Antoine has made enemies of a gang of young thugs, to whom he owes money. Fed up with his scams and petty crimes, his mother and older brother decide to send Antoine to his father’s place in Saint-Etienne. The two men haven’t seen each other for several years.