Mark(NoahWyle)andPhoebeareinthemidstofabreakup.Miguel|abulliedteenager|getsanillegalgunandaccidentallyshootsMark.Inrealtimewenowexperiencetheconsequencesofgettingshot.Usingmultiplescreentechniques|weviscerallygothrougheverythingthecouplegoesthrough|andatthesametimeseehowtheboytriestoavoidgettingcaught.Thestorytrackstheeventsofwhatthemedicalprofessioncallsthe"goldenhour"withalleffortsofEMTsandERteamsattemptingtosaveMark’slife.WeshareMark’sshock|pain|anger|fear|humor|guilt|griefanddesireforvengeanceandpotentialredemption|andwewatchhowthisalleffectshistroubledrelationshipwithhiswife.WealsotrackthestrugglesMiguelhasfacinghisresponsibilityfortheshooting.Afterthathourofterror|wediscoverthesethreecharacters5monthslaterandexperiencehowtheirliveshavebeenturnedupsidedown|leadingtoaconfrontationwiththethreeofthemwhenMiguelasksfor..aaa