January 1945. In Yalta full swing preparing for the meeting of leaders of the anti-Hitler coalition: Stalin, Roosevelt and Churchill. Special forces allies are working together to provide the first complete security of persons. They are worried for good reason: the city really has hidden a group of saboteurs, which plans a terrorist attack. In their next outing counterintelligence Turk, a local investigator, Major Jora Makarov and US intelligence, John Wilby.