Tri bogatyrya i Naslednitsa prestola

The Prince of Kiev appoints his niece Zabava as the heir to the throne after a series of unfortunate events, sending three heroes, including the main court horse Julius, to Constantinople to escort her and her husband Elisha to safety. However, their mission is complicated by the treacherous Vasileus, who seeks to exploit Zabava's youth and inexperience to gain power for himself. Meanwhile, Elisha's lack of knowledge about his wife's true identity puts him in a precarious situation, as he tries to protect her from those who seek to take advantage of her royal status.