Adventures await the princesses during the celebration of All the magical day. The school is waiting for a ball: the boys are preparing a surprise, and the princesses are trying on animal costumes. But the celebration does not have time to begin, as the young sorceress Marfusha attacks the school, who has her own scores with the educational institution. Catching Koshchei by surprise, she turns him into a raven, and the princesses who rushed to his rescue into animals, whose costumes they put on. Now, until the end of All the magical day, the princesses must return to themselves and Koshchei their real appearance, otherwise they will forever remain animals. But how can this be done if they are now deprived of their magical abilities?