It’sEaster1967,andcelebrationsareunderwayforacolourfulEasterbonnetparadeoutsideNonnatusHouse. SisterMonicaJoanandReggieareexcitedabouttheEurovisionsongcontest,whileCyrilandLucillesettleintoblissfulmarriedlife.Aftertakingsometimeawayfollowingthedeathoftheirnewbornson,DerekandAudreyFlemingreturntoPoplarwithgoodnews-Audreyispregnantagain. Duringdemolitionworkatanearbytenementblock,thebuildersmakeashockingdiscovery.Thenewsripplesthroughthecommunity,andthepolicearecalledin.Thetrailleadstosomeoneclosetohomeandhasaheartbreakingeffectontheteam.