Dilogy "Search," which was compiled by the novels "Black Triangle" and "Destination Station - Kharkov," is dedicated to the search for national treasures stolen from the patriarchal sacristy and the values ​ ​ that make up the treasury of the monarchist organization "Diamond Fund." The author introduces readers to little-known pages of the history of the first years of Soviet power, paints a vivid picture of that time with all its contradictions, a rapid change of events by an active pace of life.