American intelligence manages to find out that a diamond deposit has been discovered in the Arkhangelsk outback. In pursuit of a lucrative contract, resourceful Americans send a submarine with saboteurs and ... 200-liter barrels of alcohol on board into the waters of the Northern Dvina ...
Once a peasant went to haul logs from the river - to store fuel for the winter and fished out one such barrel. The whole village went on a spree... Such an unexpected holiday was arranged for the villagers by American submariners. And two great nations met at the same table to get to know each other better...