The Crusaders travel to an exquisite palace near St. Petersburg, where, according to eyewitnesses, the mummy killed the occultist Tsukanov. Arriving at the place, the heroes get acquainted with a company of researchers who, with the money of their grandfather Tsukanov, led a comfortable and not too stressful life. However, as it turns out later, these are not the only inhabitants of the palace, where a truly terrible and mystical event, conceived by Faust, is being prepared...