Ku sii qor faqradan - Bisharafta, Sebtember 1983, badhtamihii Dhibaatooyinka, Sargaal Sean Duffy, oo ka mid ah Katooliga yar ee ka tirsan Royal Ulster Constabulary (RUC), ayaa laga saaray RUC eedeymo been abuur ah. Isla mar ahaantaana, Dermot McCann, oo ah ninka ugu fiican ee IRA iyo saaxiibkii hore ee dugsiga ee Duffy ayaa ka baxsaday xabsiga Maze wuxuuna noqday bartilmaameedka ugu weyn ee Sirdoonka Ingiriiska. MI5 ayaa Duffy ka soo jiiday hawlgabkiisii sakhraanka ahaa si uu u raadiyo McCann. Buuggu wuxuu daba socdaa isku dayga Duffy si uu u xaliyo dilka qolka xiran si uu u helo macluumaad gudaha ah oo ku saabsan halka uu ku sugan yahay McCann, taas oo ugu dambeyntii keenta isku dayga dilka
Ra'iisul wasaarihii Ingiriiska Margaret Thatcher ee Brighton.