January 1945. In Yalta, preparations are in full swing for a meeting of the leaders of the anti-Hitler coalition: Stalin, Roosevelt and Churchill. Allied intelligence services work together to ensure complete security for top officials. They are worried for good reason: there really is a group of saboteurs hiding in the city, planning a terrorist attack. Counterintelligence officer Turok, local investigator Zhora Markarov and American intelligence major John Wilby are on their trail.
