Actors: Bill Nighy(Johnny Worricker, MI5 analyst), Rachel Weisz(Nancy Pierpan, political activist), Michael Gambon(Benedict Baron, Director General of MI5), Judy Davis(Jill Tankard, MI5 officer), Tom Hughes(Ralph Wilson, private investigator), Saskia Reeves(Anthea Catcheside, Home Secretary), Ewen Bremner(Rollo Maverley, journalist and former MI5 officer), Ralph Fiennes(Alec Beasley, Prime Minister)
Johnny works for MI5. His neighbor Nancy approaches him. When his best friend and boss suddenly dies, Johnny's left to sort out things about the PM, MI5 and US.