On the outskirts of the city, in a copse, the body of a murdered girl was found, and a week later, a mutilated body of a man was found very nearby in the basement of a garage. The owner of the garage does not even try to defend himself and admits to the brutal murder of the man. When the investigator tries to find out in more detail the identity and character of the suspect, he realizes that in front of him is a real ruthless beast. But what really happens in the soul of the killer and who killed the girl will become clear at the end of the story.