Having been made the scapegoat for a botched drugs intercept operation, MI5 officer Harry Tate is dispatched to 'Red Station', a remote outpost in the Balkans, ostensibly to avoid press scrutiny, but where in effect the security services send 'problem' agents they'd like to be rid of. But the outpost is thrust into the international spotlight when troops begin massing in the area; and, as the situation becomes increasingly dangerous, Tate discovers the real, truly shocking, purpose behind 'Red Station' - and decides to fight back .