About the book: year / Nowadays, a series of terrible murders is shaking Russia and France. It all started with the fact that a nobleman was seriously wounded during the battles of the First World War. In the hospital he met his love, but the revolution in Russia in 1917 turned his whole life upside down. Having avenged his murdered parents, the hero, by the will of fate, ends up with an ancient demon. He loses his humanity. What horrors will modern detectives face as they follow the bloody trail??