Nymph and Andrey and their friends go in search of the Holy Grail in the mountains of Crimea. There they will meet the messengers of Light, who will share with them sacred knowledge about the world order and give wise instructions. Also in the depths of the cave they encounter the evil of the world. The struggle between the forces of Light and evil for the souls of people, as well as for the fate of Russia, is the main theme of the story. On the cover and in the text there are drawings by Alexandra Klyuchnikova.