A crime has been committed. The worst thing is murder... Who is the culprit? What are the motives for the crime? These and many related questions face police colonel Drobyshev and senior lieutenant Samarin. During the investigation, they encounter young people whose spiritual poverty is terrible in its moral consequences.

A beautiful blonde is killed in the women's restroom of a bar-restaurant; after a long and dangerous chase, the murderer-motorcyclist manages to escape from the police...