Whle facing a surprise audit from the Home Office, DCI Boyd (Trevor Eve) and the team try to continue their investigation into the murder ... but as they go on with their inquiries at Whitehall, they quickly discover the atmosphere to be very dark and secretive.
Quest roles:
Ruth Gemmell(Linda Cummings), Ed Bishop, Patricia Hodge, Amanda Root, Colin Stinton, Corin Redgrave, Anton Lesser, Kika Markham, Del Synnott, Francesca Ryan(Katherine Reed), Billie-Claire Wright(Mary Holmes), T.J. Ramini(Majid Kahn), Robin Oakley(TV Reporter), Emma Buckley(Reporter 2), Gary Lucas(Detective Sergeant), Philip Fox(Dr. Roberts), David Kennedy(DS Dougie Green), Geeta Guru-Murthy(Reed's Interviewer), David Henry(Taylor (uncredited)), Michael Jenkinson(Police Commissioner (uncredited)), Hannah Young(Nurse (uncredited))