Continuation of the story of the Voronezh nuclear submarine, which came from our time to 1942. The nuclear submarine cruiser was included in the Northern Fleet of the USSR - and God save the Kriegsmarine! But the information that people from 2012 have turns out to be an even more terrible weapon than torpedoes. What will Stalin do when he learns about the 20th Congress, perestroika and the collapse of the USSR? Will there be a chance not only to save millions of lives of Soviet people, but also to prevent the death of the Soviet Union in half a century? But first you need to win the war. And the decisive battle will be the Battle of Stalingrad, which will begin on November 19, 1942, as in our history. For history to take a tack. This is what sailors call the passage of a ship's bow through the wind line. And what will the new course be?