One day, a simple boy named Ivan saves a drowning prince. But instead of gratitude, he receives an order: change into the heir's wet clothes to dry in the sun. There, he is met by the beautiful Marya, the daughter of a neighboring king. Love blossoms between Ivan and Marya, who believes the young man to be the prince, but Vanya is kidnapped by Koschei, who believes that only the king's son can lift the terrible curse on his daughter Vasilisa. The villain doesn't know he was mistaken. And now only Marya can save everyone.