Captain Sablina investigates a series of brutal murders—committed either by a serial maniac or by a deranged sectarian. Writer Smirnov is extremely far from detective work; his passion is the history of vanished civilizations and ancient languages. Strangely, the interests of the writer and the investigator overlap when a mysterious object surfaces in the case: a Sumerian golden seal with cuneiform writing. Deciphering this text becomes the first step on a path full of dangers and adventures toward uncovering secrets—both modern and ancient…