Ateamoffouraliensnarrowlyescapetheirexplodinghomeworld,onlytocrash-landintoamove-in-readyhomeinsuburbanAmerica.Uponarrival,theyfindthemselvesdividedintheirperceptionofEarth,withKorvoandYumyulackseeingonlypollution,consumerism,andhumanfrailty,whileTerryandJesseembracethequirksofhumans,includingtheirTV,junkfood,andfun-filledactivities.Theirmission:toprotectthePupa,alivingsupercomputerthatwillonedayevolveintoitstrueform,consumethem,andterraformtheEarth.gt