It’s1981andLondonerJohnSelf(NickFrost)–asuccessfuldirectorofcommercials,ahedonistandhabitualdrunk–isinvitedtoNewYorkbyfilmproducerFieldingGoodneyinordertoshoothisfirstfilm.Butthingsarenotstraightforward.Self’scastofactinglegendsandup-and-comingstarsfindtheiregosandemotionalissuesaggravatedbytherolesthey’vebeengiven.Backhome,hisfatherisinvoicinghimforhischildhoodandSelfisstartingtosuspecthisgirlfriend,Selina,ischeating.Heisalsoreceivingphonecallsfromamysteriousstalkerwhoseemstoknowhiseverymove,demandsmoneyandthreatensretribution...Meanwhile,Goodney’sbudgetincreasesbytheday.IsJohnSelf’slifeabouttoimplode?