September 1941. On the Eastern Front of World War II, Kostya and his fellow Russian cadets are evacuating thousands out of war-torn Leningrad, to safety aboard Barge 752. Kostya smuggles his fiance, Nastya, aboard. A storm strikes, and the barge threatens to sink. They are hopeful for a rescue, but instead the first responders are not rescue planesbut enemy aircraft.A harrowing, thrilling, and ultimately uplifting tale of survival and the power of love.