Spooks

Ghosts from the past come back to haunt MI5 chief Harry Pearce, prompting a shocking revelation about his time as a spy during the Cold War.

Radioactive material has been detected at an airport. MI5 receive intelligence that a dangerous anarchist with a penchant for dirty bombs has entered the country.

Two former inmates are released from jail and set to launch an attack in London. Erin and the team must step in at the eleventh hour to prevent massive loss of life.

Harry kidnaps his CIA counterpart, Jim Coaver, and interrogates him. What Harry discovers alters his suspicions of who is behind the attacks on the Anglo/Russian partnership.

Harry finally discovers who is behind the recent attacks on the UK, but will confirming these suspicions come at too high a cost to himself and his team?