Maria Poilova, the head physician of a regular district clinic, was killed in her own office. The circumstances of the death are very suspicious and an investigation has begun. Who is the criminal: one of the six visitors who came to the reception, an employee of the clinic or an unknown maniac? A random patient, Pyotr Zubrikov, who discovered Poilova’s body, begins his own investigation in parallel with the official one. However, it soon becomes clear that the case is not limited to one death... Editor's comment: When a murder is committed in the locations of the on-duty city clinic, this adds even more eerie shades to an already disturbing detective story. But when we begin to guess who the killer is... However, the ending of the novel will in any case surprise and knock you off your feet - no matter what guesses the reader tries to feel in the pockets of the medical gown...