Luna Weber put on the Devil's Crown, setting off a series of the most unpredictable events. What the demons so feared and the diabolists longed for had happened. The lord of the underworld came to the earthly world, taking possession of the body of a branded demon. Body, but not soul. The girl's soul will have to go through a meeting with her loved ones, loss and pain, acquaintance with those about whom she could only hear legends and fairy tales before. Will Luna be able to get out of the underworld and see her friends and family again? And what will happen to the world that the Devil himself began to rule?..