A story about tragic events in France during the German occupation in WWII.
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".
