Black shadow under water. Tamonikov A.A.

Spring 1944. Captain Smersh Alexei Khabarov was sent to a small town near the Germans recently liberated from the Germans. There, in recent days, the chairman of the executive committee, the head of the police and the secretary of the city committee have been killed. There is a suspicion that the city is operating in the city of Abwehr. Local operatives suggest that the purpose of the Nazis remaining in the city is to save the German submarine stuck somewhere near the coast of the German. Khabarov attracts to the search for the enemy underground of counterintelligence of the Navy, not knowing that one of them will play a fatal role in his operation...