AftertheDawnRebellion,ChartravelstoEarthandmeetsagirlwithmysteriouspowersnamedLalahSune.　　Meanwhile,Amuro'sfatherTemRayisworkingontheRX-78developmentproject.LearningofthedefectionofDoctorMinovsky,akeyfigureinZeonmobilesuitdevelopment,heheadsforthemoon.History'sfirstbattlebetweenmobilesuitsunfoldsinthetwilightzoneofthelunarsurface.　　ThencomesUniversalCentury0079.Side3,thespacecityfurthestfromtheEarth,launchesawarofindependenceagainsttheEarthFederationgovernmentunderthenameofthePrincipalityofZeon.　　Aneraofviolentupheavalbegins,inwhichhalfofthetotalhumanpopulationwillbekilled...