Diagnosis with a Bullet in the Heart

Major of Justice Korney Davydov is a sharp and unstable man. At the same time, he is one of the best detectives in the Department, with dozens of solved crimes to his credit. During the last major case, a trainee girl was killed by a maniac. At that time, Davydov was unable to save her, after which his mental illness noticeably worsened. Colleagues have different attitudes towards the eccentric major: some sympathize, while others openly hate him... That fateful night, Korney spent time with a famous prostitute. The next morning, the deputy head of the local police department was found shot dead near his house. And somehow, an empty cartridge from the murderer's gun ended up in Davydov's apartment...