Year 1947. Stirlitz’s dreams of returning home remained only dreams. He still is in South America, in Argentina, working as an instructor at a ski resort. The grand plans to solve the mystery of the atomic bomb and to find the participants and organizers of a secret Nazi structure in Latin America also ended in failure. But Colonel Isaev is not used to giving up and putting his hands down—even in the most seemingly hopeless situations. For a quarter of a century he hasn’t been in Russia, and he simply can’t afford to return home without completing this complicated operation to expose the Nazis.