Emelya catches magical fish that grants 3 wishes. After wasting 2 wishes, he must win princess Anfisa's hand without magic for last wish. The fish appears as Vasilisa to help Emelya in human form.
If you go fishing, be prepared to draw the fish of your dreams, the magical Pike, which can grant any three wishes. Only Emelya let two wishes down the drain, and decided to save the third. Therefore, in order to achieve the hand of the royal daughter Anfisa, he will have to act without magical power, on his own. And Pike will help him, who without her skin will appear as an ordinary girl Vasilisa.