急诊室护士凯特琳为了挽救一个妇女的生命使用除颤器时而意外触电，而与此同时，凯特琳却开始体验了受害人的记忆......Kaitlyn,anERnursewhoistendingtoayoungstabbingvictim,isaccidentallyelectrocutedbythedefibrillatorthatisusedinanefforttosavethewoman'slife.AlmostimmediatelyKaitlynstartstoexperiencethevictim'smemories.Sheturnstofamily,friends,andthepolice,butnoonetakesherseriously.Shedecidesthatshemusttakeituponherselftotrytosolvethecrime-orrisktheterrifyingvisionsendinginherownsanitybeingatstake.UltimatelyKaitlynteamsupwiththedetectiveonthecaseandweavesherwaythroughthevictim'spast-todiscovernotonlythebrutaltruth,butalsosomeveryunexpectedlessonsaboutlife,love,sorrowandforgivenessalongthewayWhileattemptingtosavethelifeofafatallystabbedyoungwoman,ERnurseKaitlynisaccidentallyelectrocutedbyabackfiringdefibrillator.Uponawakening,shebeginstoexperiencememoriesthatarenothers,butratherthoseofthenowdeceasedvictim.Withhersanityinquestionandnowheretoturn,Kaitlynmustweavethroughthewomanspastandpiecetogetherhermemoriesbeforethekillerstrikesagain.ShotintheseedyBoyleHeightsdistrictinLosAngeles,InSightfollowsKaitlyn(NatalieZea),anERnursewhowhiletendingtoayoungstabbingvictim,Allison,isaccidentallyelectrocutedbythedefibrillatorthatwasbeingusedtosavethewoman'slife.Almostimmediatelyshestartstoexperiencethevictim'smemories.Kaitlynturnstofamily,friends,andthepolice,butnoonetakesherseriously,soshetakesituponherselftosolvethecrime-astheterrifyingvisionsthreatenhersanity.Ultimately,KaitlynteamsupwithdetectivePeterRafferty(SeanPatrickFlanery)andweavesherwaythroughthevictim'spastinanattempttodiscoverthebrutaltruthaboutthemurderandherself.