The patient is a special clinic. Fitsek S.

Till Burkhoff's son Max disappears without a trace. All evidence indicates that the boy became the victim of the maniac Guido Trinitsa. The criminal was arrested by the police and confessed to the abduction and murder of several young children. The serial killer pointed out the place of their burial, but it remains stubbornly silent about the fate of Max. The court recognizes the sadist as insane and sends him to a strictly protected psychiatric hospital. The investigation is known that the psychopath kept a diary where he described everything that he did with the victims, but could not find the notes.

The desperate father appeals for assistance to a familiar police officer, and he makes him an incredible offer: to become a patient of this special clinic. So he will be able to be closer to the detailed and make him admit. What this desperate attempt turned out to be, no one expected.