The accountant of the commodity base discovers a small mistake in the documents, as told by the manager of the base. That night, someone hacked and robbed a safe with accounting documents, and committed the killing of an accountant. The case for the search for criminals was entrusted to police commissioner Krechetov and lieutenant Kasyanov.

In the city hairdressers' school there are exams. The incapable pupil Kukushkina, having spoiled everything on the head of the next client, asks her suitor - the stylist Edik - to sit in her chair. In love, Edik agrees, and says goodbye to his stylish coke for a long time.