简介：AmeliaBarrowbyisinfearforherlife,fearingsomeoneinherhomewillkillher.WhensheseesPoirotataflowershowwhereheisreceivinganaward,shespeakstohimforamoment,givinghimapacketofflowerseeds.Whenhearrivesbackathisoffice,hediscoverstheseedpacketisempty,andaletterfromMrs.Barrowbyarrivedinthemorningpost,whichhedidnotreceiveontime.Hefollowsupontheletterthenextmorning,butdiscoversheistoolate--Mrs.Barrowbyisdead,poisonedwithstrychnine.Mrs.Barrowby'swillleaveseverythingtoherRussiannurse,whoissuspectedofthepoisoning,bothbyinspectorJappandMrs.Barrowby'slive-innieceandherniece'sdrunkardhusband.Butdidthenursecommitthemurder,andifso,why?…