The handwriting of this killer cannot be confused with anyone else: he takes with him the heads of his victims. Many of the most unexpected versions will have to be analyzed by the head of the “homicide department” Nikita Kolosov and journalist Katya Petrovskaya before the zigzags of the investigation lead to the doors of a respectable mansion. In addition to rooms furnished with aristocratic sophistication, it has a basement, where even the owner is very reluctant to go down. And this is understandable: after all, a normal person can hardly accept what is happening under the gloomy vaults...