Damocles' Sword Over the Star Throne

The business card of this serial killer — a metal token with numbers engraved on it. He attaches it to the bodies of his victims: a six-fingered prostitute, the owner of a zoo circus who coldly exterminated his «artists», a... doctor secretly trading corpses… The head of the homicide department, Nikita Kolosov, and the Press Center employee, Katya Petrovskaya, are trying to create a psychological profile of the maniac… A new crime leaves them puzzled: a popular singer, Kirill Bokov, an up-and-coming pop star, has been killed. And again, the infamous token on the victim's wrist… Indirect evidence is somehow linked to a private riverboat that arrived from St. Petersburg to Moscow. On the riverboat — two famous former rock singers with friends and relatives. By a strange coincidence, Katya's husband — Vadim Kravchenko — becomes the bodyguard of one of the rockers…