Dr. Theo Kray caught one of the most brutal serial killers in history using revolutionary scientific methods. Since then, his life has undergone major changes: he can no longer teach at the university and now works in a secret unit of the Intelligence Agency. But Theo doesn’t like the new reality at all, and he takes on another investigation. The desperate father of a missing child, ignored by the police and authorities, turns to Dr. Cray for help. All Theo has at his disposal are children's drawings and an urban legend about a man named Toyman. To understand this case, Dr. Cray must temporarily abandon his scientific prejudices and immerse himself in a world where fantasies and nightmares are no less significant than objective reality. With each new round of investigation, the scale of the criminal conspiracy only increases, and the time to save the next victim becomes less and less...