LucasandMathias,8-year-oldsonsoflumberjacksintheVosgesforest,arethebestoffriends.Oneday,whiledrivinghiscar,Lucas'fatherfatallycollideswithMathias,whoiscyclingdownthemountain.Sittinginthebackofthecar,Lucaswatcheshelplesslyashisfatherthrowshisfriend'slifelessbodyintotheravine.Onelookisallittakesforhimtorealizethath...