Christian, a visionary scientist, studies wild geese. For his son, a teenager obsessed with video games, the idea of spending a holiday with his father in the wilderness is a nightmare. However, father and son will get together around a crazy project: save a species endangered, thanks to the ultralight of Christian! Then begins an incredible and perilous journey …

Paris 1930.
Paul has only ever had one and the same horizon: the high walls of the orphanage, an austere building in the Parisian working class suburbs. Entrusted to a joyful country woman, Célestine, and her husband, Borel, the rather stiff gamekeeper of a vast estate in Sologne, the city child, recalcitrant and stubborn, arrives in a mysterious and disturbing world, that of a soverign and wild region.
The huge forest, misty ponds, heaths, and fields all belong to the Count de la Fresnaye, an elderly taciturn man who lives alone in his manor.

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.