Book four of the “Messenger of Death” series. Based on the legends of the Notre-Dame de Paris cathedral, which were told in the novel by Victor Hugo. Mystical adventures take place in parallel both in Paris of the 19th century and during the Renaissance. The famous Notre Dame Cathedral keeps its ancient secrets. Gradually, two storylines merge into one, the fates of the heroes intersect. Paris is immersed in a world of shadows and ghosts... Heroes of the Renaissance - the ancestors of the heroes detective Verbina and his relative Alexandra are trying to unravel the mystical secrets of the cathedral.