Shatalov and ‘Manya' (the nickname of Alexei) became friends in a naval college. Later, their careers developed differently. ’Manya' becomes the commander of a submarine. Shatalov, punished for criminal negligence in the performance of his duties, is transferred to coastal service. As a professional naval officer, he finds this situation unbearable. One day, he receives a telegram from the Russian Far North. His friend ‘Manya' asks him to come there.
