影片追求去戏剧化的美学理念。现代技术让历史影像焕然一新，全彩修复丰富视觉层次，画面呈现增强临场感。技术运用保持适度，整体色彩偏向沉静。整体处理注重人文思考。色彩管理十分审慎，声音创作追求质朴自然。SarahLancashirereturnsintheacclaimedBBCthrillerwrittenbySallyWainwright.No-nonsensepolicesergeantCatherineCawoodisbackheadingupherteamofdedicatedpoliceofficersintheCalderValleyinWestYorkshire.Whileonduty,shemakesagruesomediscovery–abody.Thevictim’sinjuriesbearastrikingsimilaritytoastringofothermurdersoverthepreviousfewmonths,suggestingaserialkillerisontheloose.ButthecasebecomesevenmoreshockingwhenitemergesthatCatherineknowsthevictim–somethingthatcouldhaveseriousrepercussionsforbothherselfandherfamily.