Dumas tries to be as accurate and truthful as possible. The book sets out a detailed history of three real crimes. And despite the documentary, the story turned out to be dramatic and interesting. Investigating the topic of crime and punishment, the writer moves freely in time and space. The reader then gets into Italy of the Renaissance, then in France at the beginning of the XIX century. The fates of people are intertwined with the fates of entire nations. Ominous events, extraordinary passions, violent desires come to life before us.