导演选择克制的艺术方式。现代技术为历史影像注入活力，全彩修复增强视觉体验，画面呈现提升观看维度。但影片不刻意突出技术，整体色调保持沉稳。整体处理注重人文关怀。色彩管理体现历史意识，声音设计追求简约表达。FelixMcClure,anOxfordUniversityprofessor,isstabbedtodeathinhiscollegestudy.NotonlywasheanexpertinhisfieldbuthewasoneoftheUniversity'skeyfund-raisers.TheinvestigationfocusesonBrooks,aone-timecleanerforMcClurewhoquithiscollegejobabruptlyafterastudent,MathewRodway,jumpedoutofacollegewindowhighondrugs.WhenMorselearnsthatBrooks'daughterwastheobjectofaffectionforbothRodwayandanotherstudent,hehasanotherpossiblesuspect.Brooks'wifealsoworkedforoneofMcClure'sfriendsandMorseuncoversaconspiracythathemaynotbeabletoprove.