Writtenbythedirectorhimself,thestoryrevolvesaroundan“absent”hero:anastronautlostintheemptinessofspace.Hisabsenceisspokenaboutindirectlyhere,fromplanetEarth.Hewasthenation’sson,lovedandadmiredbyall.Buthe’sprimarilyalwaysonthemindofhislittlesisterElsa,who’sthereal“fullypresent”heroineinthisstory.Elsahaslivedherlifeandherchildhoodbyproxy,sustainingherselfoffthedreamsandambitionsofherolderbrotherandhero.Hewasherpointofreferenceandherdailyinspiration.Whilehefloatsaround,somewhereupthere,intheether,Elsaalsodrifts,righthereonEarth…地球此时