在视听处理上，导演有意淡化戏剧冲突。数字修复为历史影像带来革新，全彩上色让历史更加鲜活，画面呈现拓展表现空间。但技术使用十分克制，整体色彩保持历史本色。整体表现注重意义深度。色彩选择体现历史责任感，声音设计追求简约效果。LikeFritzLang,DavidFincherorBongJoonHobeforehim,talenteddebutfilmmakerLadoKvataniyausestheconceptofpolicedetectivevsserialkillerforanexcitinglystylised,macabreandhauntingnarrative,thatultimatelyrevolvesaroundtheidentityofanerainthiscase,thelate1980sSovietUnion.WithGlasnostandtheendofcommunistrule,theWestalsolearnedofthe(unsurprising)factthattherewereserialkillersinRussiatoo–themostnotoriouscaseprobablythatofAndreiChikatilo,nicknamedtheRostovRipper,ortheRussianHannibalLecter.                                  Basedontheseandmanyothersources,KvataniyaandscreenwriterOlgaGorodetskayaconstructedanimmersivepsychologicalpuzzle,jumpingbackandforthintime,torevealevernew-possiblemotivesfortheactionsofalltheprotagonists.Itallstartsin1990,whenDetectiveIssaDavydoviscelebratinghispromotionandreceivesacall,reportingacrimethatlookspreciselyliketheonesoftheserialkillerthathefamouslycapturedsomeyearsbefore...