Formidable clouds hung over the Reserve Forest. Regional authorities are either trying to organize oil production in the relict forest, or intend to turn the natural monument into a Park of Culture and Recreation. The forest, which has existed since the Ice Age, is defended by its ancient inhabitants, in whom the reader easily recognizes folklore characters: Vasilisa the Wise, Leshy, Baba Yaga. But who should be considered evil spirits - the guardians of nature or those who destroy it for personal gain? The book contains obscene language.