In this world, steam and electricity are honored, science has replaced religion, and magic is the lot of a few outcasts. But the border between reality and the underworld there is extremely thin, and adherents of scientific knowledge with the greatest difficulty manage to hold back the onslaught of infernal creatures. Electricity is stronger than magic, but it is not omnipotent either. Former detective-constable of the detective police of the metropolis Leopold Orso is a brilliant one. From his ancestors he inherited a dark talent for embodying other people's fears and phobias through the power of imagination. Coping with his own nightmares turned out to be far from so easy, and when Leopold finally freed himself from them, someone cunning and powerful pulled him into a dangerous game where the puppet could not be distinguished from the puppeteer. There is no chance of winning; defeat will result in a fall into the abyss of hell. Run? Alas, the snare is too skillfully woven...