Vladimir Volkov, a once narcissistic nobleman, is the only one who managed to survive all the horrors of the Black Pyramid, but he was not completely lucky - he was captured. Now he is a slave, deep in the Siberian taiga, to an ancient tribe of guardians. But hope has not faded away, it lives in the heart and calls for action every day. Although it is not so easy to get out of Mongol captivity, he will do it, he swore this and that he will definitely take revenge!.. Meanwhile, the Black Pyramid attracts more and more adventurers. An English archaeologist and his daughter find traces in the Mesopotamian desert indicating the existence of an ancient, highly developed city deep in Siberia. The archaeologist believes that this may turn out to be something like the Mecca of the ancients, and such a discovery will complete his life’s work. Only he chose the wrong ones as his companions - the Freemasons, and their goals do not coincide with the goals of the professor, even if he doesn’t know about it yet.