剧情介绍：　　WhilevisitingherfriendMarjorieAttfield,MissMarplelearnsthathersonBobbyhadrecentlyfoundabody,identifiedasaMr.Pritchard,onthecliffside.He'sreceivedaletteraskinghimtoappearattheenquirybutitseemstobeawildgoosechasemeanttokeephimawayfromtherealenquirytakingplaceelsewhere.Nowaccompaniedbyafriend,FrankieDerwent,theytracethedeadmantonearbyCastleSavage,hometoadysfunctionalfamilywithgreatdealofmoney.Thefamilypatriarch,JackSavage,haddiednotlongagoandthedeadmanhadsomeconnectiontotheSavages.ButwhatisthekeytosolvingthemysteryofPritchard'slastwordstoBobbyashelaydying:"Whydidn'ttheyaskEvans?".