1962.YomamaBay.WhiletheJapanesearmedforcesdestroyyetanothergiantkaiju,ayoungpaleontologist,Prof.HiroHonda,rescuesheroffspring,whiskingthemysteriousredeggofftosafetyinfriendlyCincinnati,Ohio(Ohiomeans\"hello\"inJapanese).However,asthejetarrives,heaccidentallyflushestheeggdownthetoilet.ItdisappearsintotheOhioRiverjustasagroupofphysicists,ledbythebrilliant(ormaybenot)Dr.RichardBlowheart,aretesting\"uber-fission\"poweratSNUGI,theSecretNuclearUndergroundGovernmentInstallation500storiesbeneaththecityofCincinnati.Shakenloosebytesting,theeggisquicklydiscoveredbyBlowheartandhisassistant,Dr.ShirleyYujest.ThetwosoonmeetProf.Honda,whotellsthemthattheeggcontainsalivingNotzillasaurusPartiontilldon.Thecreaturewillremainsmall,heexplains,aslongasitisnotexposedtoalcohol.Butifitis,itwillgrowhundredsoftimeslarger(naturally)andattackthenearestcity.