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