InthesmallvillageofSt.MaryMead,ColonelandMrs.Bantry,ownerofthelocalmanor-GossingtonHallisshockedwhenonemorningayounglady'sbodyisfoundinthelibrary.Theycallinthepolicewhosoonrunupagainstabrickwall,onlyfindingoutthatthebodyisthatofadancerinLondonwhotheBantry'sdidn'tevenknow.Buthowandwhywasherbodyleftinthelibrary?Tofindoutthetruth,theBantry'scallinthehelpoftheirgoodfriendanddetective-MissJaneMarple.