Deep mystical insight that will not leave fans of Paulo Coelho and Carlos Castaneda indifferent. The path from an ordinary person - with all his inherent shortcomings and everyday problems - to a Master who controls his own destiny is available to each of us. One of the main plot lines of the novel is the story of the murder of Talgat Nigmatulin, an incident that shook Vilnius in the eighties. The true reason for this mysterious murder remains unclear. The heroine of the novel, a sane graduate of the University of Tartu, unnoticed by herself is drawn into the sect and turns into a sex slave. Together with the heroine, the reader plunges into the very core of the feelings of a member of the sect, sees Central Asia from the inside, through the eyes of a dervish , finds himself in places where people who speak Russian are not allowed. Another line of the novel tells about a representative of the teaching of psychometricians, who has an unusual influence on a person. The hero comes to Odessa, looking for the Master, whose name is engraved on one of the monuments of the old cemetery. The search for a mysterious inscription leads the hero to a story about the Rehovot fortress, the last stronghold of the Mamluks, about the terrible customs of the Master of the Tower, the successor of the Old Man of the Mountain, the head of the sect of assassins. The main character of the novel is a psychometrist, unraveling the intertwining of history and psychology, trying to collect links scattered across different countries and eras a single chain, finds enlightenment in Odessa and disappears, as if dissolving in the crystal air of the Black Sea autumn.