The Soviet steamer Bogatyr delivers construction materials and rafts with timber to the earthquake-stricken city of Marto. However, foreign intelligence is preparing a sabotage operation on the Bogatyr...
Follows the story of the 26 Artillery Division of the Soviet Red Army.
The Soviet motor ship "Albanov", running into a submarine rock, crashes in North sea. Passengers and command on boats head for off-shore rocks and find temporal shelter. Getting a signal about the calamity of motor ship, detachment of divers-rescuers at the head with the chief of party - commissar Petrov - begin works on getting up "Albanov".
