About the book: 2010 / A criminal carves images on the backs of his victims that resemble drawings by Leonardo da Vinci... The frightened Romans are sure: a maniac has appeared in the Eternal City. This version is supported by the team detectives led by Nick Costa. They understand: the killer is acting according to a clear plan, and his monstrous drawings carry a hidden meaning. But who are the bloody messages addressed to? And who will be the next victim?..