“The Indestructible Alliance” is the tenth book in the “Sea Wolf” series, a continuation of the story of the Voronezh nuclear submarine in 1942. The Great Patriotic War ended with Victory a whole year earlier, on May 9, 1944. But the main goal is to win not only the war, but also the post-war world. So that in the USSR “there would be nothing but the USSR.” However, as it turns out, many of the problems that in our reality led to the collapse of the Soviet Union arose precisely then. Will they be able to turn the arrow of history in an alternative reality?