HenryFallon,whoiswheelchairboundandissufferingfromaneurologicaldisorder,apparentlycommitssuicideandMorsehasmixedfeelingsworkingonthiscaseashewasonceengagedtothedeadmanthavethephysicalcapabilitytoholdaguntohishead,thepolicerealizetheymayhaveamurderontheirhands.WhenthepolicearetoldthatthebusinessarrangementbetweenFallonandRhodeshadfallenapart,theyalsohaveasuspect.LewisisconcernedthatMorseistooclosetoMrs.Fallontobeobjectivebutintheend,theperpetratorsareidentified.