Our days. Curious schoolboy Senka finds himself in a fairy-tale forest, hidden from human eyes by the spell of Yaga. To cast the spell again, Yaga goes to a modern city in search of a magical wonderful color. In the city, Koshchei, who remained alive after the battle with Ivan Tsarevich, has been waiting for a meeting with Yaga for a thousand years. Koschei is hiding in a dark ...