The Lepetit family has been chosen to raise Grompf, a sacred Nepalese yeti. Alongside Arthur Lepetit, who has a special gift for getting into trouble, the young yeti learns to control its fears and to live amongst men. But it isn't always easy to follow the rules...
Adapted by: Max Mamoud, Georges-Olivier Tzanos, Jean de Loriol.
Directed by: Julien Gallet, Christian Choquet, Patrick George.