剧情介绍
Thomas,thefatherof12-year-oldPaul,hasdisappearedwithoutatraceforayearnow.WhentheboyandhisbestfriendMaxspendthesummerholidaysontheSwabianAlb,thetwotrytoinvestigatethedisappearanceofPaul'
sfather.Todothis,theywanttofindalegendarycavethatThomasstudied.Buthisnoteshavetobedecipheredfirst.Theyalsohavetodealwithwildan...