Althoughtheevidenceappearstobeoverwhelminginthestrangulationmurderofablackmailer,MissMarple'ssole'notguilty'votehangsthejury11-1.Shebecomesconvincedthattherealmurdererisamemberofalocaltheatricaltroupe,soshejoinstheminordertogatherinformation.Thecluesleadbackmanyyearstoasingledisastrouslyunsuccessful1951performanceofadreadfulplaywrittenbythegroup'shammydirector,H.DriffoldCosgood.Althoughatthattime,severalofthecurrentcastmemberswereonlychildren,moremurdersfollowbeforeMissMarpleultimatelyexposesthekillereee　　英國影片。片長90分，根據Mrs.McGinty'sDead改編，原著是波羅故事。因影片將主角變為馬普爾小姐和劇情的更改引起原小說作者克里斯蒂強烈不滿，影片本身也遭遇票房和評論慘敗。主演MargaretRutherford還出演過另外3部以馬普爾小姐為主角的電影，其中1部亦是根據波洛故事改編(「葬禮之后」)，另1部是原創劇本。80年代在多部電視劇中扮演塔彭絲的FrancescaAnnis也在本片中扮演一個小角色。