Neutral Turkey appears to be an island of peace in a sea of war. But if you look a little closer though and there's another story. Assassins ply their deadly trade. Spies slip in and out of occupied Europe. The Allies and Axis battle for influence. The secret war is in full swing.

Being allies does little to discourage Moscow from recruiting double agents in the British establishment. The most famous of them all, Kim Philby and the Cambridge Five, penetrate deep into MI5, MI6, and Bletchley Park. With friends like the NKVD, who needs enemies?