Drama series set in 2013. After London has been evacuated following a nuclear bomb and the country's power base has shifted north, six new MI5 recruits take up the challenge of gathering intelligence in the fightback.

Protestors hack into Emergency Communications System and broadcast a video of dead inmates at a government prison. MI5 publicly deny the footage is real, prompting the terrorists to set off a series of false alerts. Jez realises he's partly responsible for the chaos but does he have the power to stop the extremists before it is too late? Charlie discovers MI5 corruption directly relating to the London bombing. Show less