Three heroes - that's why they are heroes, because every day they are ready for new fairy-tale feats. The mighty trinity can do everything - greet the overseas king in the highest rank, expose the impostors, return the horse Julius' ability to talk, and turn the prince back from a mosquito into a man. And do it, as always, cheerfully, amicably, and with ingenuity.

A year to the day after Dorothy and the people of the Emerald City defeated Urfin Jus, the villain is trying to exact his revenge. To command the army of Carraci, however, Urfin needs not only the magic book, but also Dorothy’s silver slippers. The slippers are safely hidden away in Dorothy’s house. Unfortunately, Dorothy’s guest, Tim, is overcome by curiosity and picks up the shoes, accidentally transporting himself, Dorothy and the slippers to the Land of Oz. The Emerald City and its citizens are in danger once again.

Dobrinya Nikitich goes on a quest to save the royal niece and finds out whether his old friend Zmey Gorinich is loyal to him. During the adventures, he is accompanied by the royal messenger who's in love with the royal niece.