Shortly before the start of the Crimean Offensive, the ships of the Soviet Black Sea Fleet and the Azov Naval Flotilla are in serious danger: German underwater commandos are preparing a large

Year 1944. Shortly before the start of the Crimean Offensive, the ships of the Soviet Black Sea Fleet and the Azov Naval Flotilla are in serious danger: German underwater commandos are preparing a large-scale operation to destroy the main combat units of the Soviet fleet in ports and roads. Aware of the seriousness of the threat, the Soviet command is developing an operation to detect and destroy the main base of the German underwater saboteurs.

"Black Sea" is a military spy thriller that tells about the confrontation between counterintelligence officers and German submarine saboteurs who are preparing a major sabotage in the coastal zone of the Black Sea. The purpose of this work was the complete destruction of the German school for the training of German saboteurs.—Tango Papa