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