Three days before historic peace talks in London, a massive bomb explodes in the heart of the city. As British intelligence chase down the ISIS cell behind the attack, Counter Terrorism Officer Leila Reid believes there is something far more sinister involved that none of them is yet seeing. With civil unrest on the streets and the crisis spiralling out of control, Reid must track down the real cell before they can execute the final stage of a plan that will bring a decades-old global conspiracy to its terrifying conclusion.