There are four of them, and they must find Liberia - the mysterious library of Ivan the Terrible, among the manuscripts of which there is the priceless Book of Veles, written by a pagan god and carrying both good and the greatest evil. The owner of the book will be able not only to control time, but also to read the future. However, finding the library is not so easy; it is guarded by guards who know no fear or pity, who are ready to do anything to keep this powerful antiquity a secret.