Crossing the desert together with a caravan, Хаджар appears will pull in the searches of library of city of Magicians, where an elixir able to convert a man into God is kept. Battling with robbers, he and his friend Эйнен unexpectedly get in the Underground city. How many histories and legends were heard by him about him from South Wind and Sulphur! How many times dreamed to appear there and to talk with Sage! How will meet this mysterious city Хаджара? Whether will become underground habitants by his allies or enemies? Does he know, that means the "veritable way" of development? And able to find the cherished elixir, to become God and to call Jasper Emperor to the account?