This story is about the evolution of a serial killer, a reflection on violence, on blood feud. Once realizing that he was a person with a damaged psyche, Mark was inflamed with a desire to heal himself and became a psychiatrist. He devoted many years to this profession, but did not achieve what he wanted. Having abandoned the useless undertaking, the hero reconsiders his purpose and changes psychiatry to psychology. Looking into other people's windows, he tries to figure out what people lack to be happy and help them. If dozens of corpses had not trailed behind him, Mark could have been considered a worthy person. However, he is a killer, and that is a fact. And where there is a murderer, there will always be his legal pursuer. And the time for their meeting will definitely come. But how will it end? Editor's comment: A leisurely road to happiness can suddenly turn into a bloody chase. However, who is the true victim in this story? All the answers are on the pages of the psychological thriller from Marina Stolbunskaya.