This time, Aliocha Popovitch, Dobrinia Nikititch and Ilia Mouromietz, victims of the deceitful intrigues of the witch "Baba Iaga", find themselves beyond the seven seas on an uninhabited island, but where natives and the terrible Gomouma live. In their absence, the merchant Kolyvan decides with the complicity of the witch "Baba Iaga" to seize the throne and the power of the Prince of Kiev.
The horse Yuliï comes running to help the unlucky Regent, but also the wives of the valiant knights and their many relatives. In a word, ordinary and incredible adventures await both the valiant knights and the spectators on these distant shores.