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 the festivities marking the christening of princess Theresa, daughter of king Gaston IX, a wicked fairy made a mysterious prophecy about the girl's life. Seventeen years later, Theresa falls in love with a poor prince named Jacques. Then the prophecy starts coming true...