Lyliwantstoknowwhat'soverthemountainsthatsurroundhercrowdedcity.She'snotscaredoftheferociousStone-Muncherthatisrumouredtoliveinatunnelnearby.Shedoesn'tbelieveinmonsters!ButwhenLylisetsoutonherexpedition,shefindsmuchmorethansheexpected.Werethelegendstrueallalong?Andwhat'sreallyoverthemountains?Alivelystoryoffriendship,adventureandextendingyourhorizons.