Everyone read in childhood fairy tales about the Russian heroes Ilya Muromets, Dobrynya Nikitich and Alyosha Popovich, and many are even familiar with other heroes. Each of them had their own tales dedicated to personal exploits and battles with no less brilliant opponents. But imagine, what if such a threat loomed over Russia that the only salvation would be the unification of absolutely all famous heroes? This is exactly the story before you! This, one might say, is a crossover, where all the well-known and not so well-known heroes and villains of the ancient Russian fairy tale epic will come together in an unprecedented battle of good and evil!