The TV series "Black Overcoats" is a historical drama about the Great Patriotic War. Admiral Golovin, the commander of the Soviet Northern Fleet, creates a secret army unit - a sabotage squad for reconnaissance behind enemy lines. The team is led by Senior Sergeant Leontiev. Their first mission is to infiltrate the German camp on the shores of the Barents Sea and adjust the fire of two Russian destroyers on a well-hidden artillery battery. Sniper Masha Belaya accompanies the reconnaissance team on the mission.