Based on the story "Anonimnyy zakazchik" by Sergei Vysotsky.
A body was found by the side of the road. While the researcher called the police, the body disappeared ... and with it, the suitcase with the tools lying next to it. Employees of the Criminal Investigation Department identified the victim, who turned out to be a well-known Lev Kotlukov. To solve this crime, the agents decide to introduce their own man into the gang ...