A group of Swedish tourists are on the way to a Russian village to witness the so called 'Festivity of Neptunus', in which the inhabitants take a dive in a hole in the ice. This tradition, however, does not exist at all. The inhabitants try to make a good impression by starting the 'tradition' to please the tourists.

At a St. Petersburg boarding school, a new life began for the ten-year-old Alyosha, who was accustomed parental attention. Missing his home, Alyosha created an imaginary magic world of underground dwellers, with a king and his subjects who very much resembled the people surrounding the boy. Alyosha experienced many interesting adventures in this mysterious fairy tale...