LucasandMathias,8-year-oldsonsoflumberjacksintheVosgesforest,arethebestoffriends.Oneday,whiledrivinghiscar,Lucas39;fatherfatallycollideswithMathias,whoiscyclingdownthemountain.Sittinginthebackofthecar,Lucaswatcheshelplesslyashisfatherthrowshisfriend39;slifelessbodyintotheravine.Onelookisallittakesforhimtorealizethath...