A film about the service of sailors on the submarines of the Pacific Fleet. 1h - Submarine at the pier and at sea. Director I. I. Gelein is speaking. Sailors are passing by. Seeing off to the army, recruits at the recruiting center. Boat alarm. The squad leader F. Zikurov. Commander of the ship Balakirev. Interview with Zikurov, Balakirev. Torpedo commander G. Turemuratov is speaking. 2h -Dive submarine. The commander looks through the periscope, the sailors are at the instruments. Chronicle: a submarine explodes, a torpedo attack, explosions. Zampolit V. I. Yakovets talks with sailors.