Geneva 2012. When a Russian intelligence officer approaches MI5 with vital information about the imminent cyber-sabotage of an Anglo-American Defence programme he refuses to talk to anyone but Liz Carlyle. But who is he & what is his connection to the British agent? At a tracking station in Nevada US Navy officers watch in horror as one of their unmanned drones plummets out of the sky & panic spreads through the British & American Intelligence services. Is this a Russian plot to disable the West's defences? Or is the threat coming from elsewhere? As Liz & her team hunt for a mole inside the MOD the trail leads them from Geneva to Marseilles & into a labyrinth of international intrigue in a race against time to stop the Cold War heating up once again...