The best child in the world

A ruthless maniac is unpredictable. He leaves insane notes on the bodies of his victims. The investigator of the city prosecutor´s office, Oleg Shilov, has to resort to the help of an unusual psychiatrist, Zakhar Temnov, to compile the profile of an elusive killer. And in the same city there lives an autistic boy who himself is able to find a maniac ...