主演：约翰·肖  凯文·沃特利  克莱尔·霍尔曼  詹姆斯·格劳特  菲利斯·洛根  

导演：赫尔伯特·怀斯  

简介：FelixMcClure,anOxfordUniversityprofessor,isstabbedtodeathinhiscollegestudy.NotonlywasheanexpertinhisfieldbuthewasoneoftheUniversity'skeyfund-raisers.TheinvestigationfocusesonBrooks,aone-timecleanerforMcClurewhoquithiscollegejobabruptlyafterastudent,MathewRodway,jumpedoutofacollegewindowhighondrugs.WhenMorselearnsthatBrooks'daughterwastheobjectofaffectionforbothRodwayandanotherstudent,hehasanotherpossiblesuspect.Brooks'wifealsoworkedforoneofMcClure'sfriendsandMorseuncoversaconspiracythathemaynotbeabletoproveaaa