For many years two kings lived side by side: Fedot and Amphibrach. Once the latter disappeared. And now the queen can not manage the affairs all by herself, and her state started declining. Besides her daughter Aliona got out of hand. It was then when the mother decided to get her married. The king Fedot had three sons: Prince Paul, Prince Peter and Prince Ivan, which was in vain believed to be a fool. He managed to win Aliona's heart and overcame Kashchei the Immortal, and released the king Amphibrach from the captivity.