An MI5 officer's attempts to foil a possible terrorist plot are undermined by bureaucracy and moral dilemmas. Will he make the world a safer place or be complicit in making a tense situation even worse?
David Oyelowo
Stephen Campbell Moore
Sebastian Armesto
Monica Dolan
Paul Ritter
Score: 7.9
Score: 6.2
Score: 6.8
Score: 6.4
Score: 6.0
Score: 7.0
Score: 6.7
Score: 6.5
