Its existence is no more a rumour; a ghost force unbound by the rules that govern the normal business of international relations. Deniable, unfettered and devastatingly effective, MI6's Spartan Section is the West's last line of defence; super-spy Will Cochrane is their most prized asset and deadliest weapon. Intelligence reveals the trace of a terrorist mastermind, responsible for the death of a CIA agent in Iran a quarter of a century earlier. And it's Cochrane who is dispatched, on a joint mission by MI6 and the CIA, to hunt him down and to prevent an attack that apparently has only one objective: Armageddon.