In broad daylight in the city center, right on the steps of the university, a young student was killed, who happened to be next to the boss of a large enterprise. The head of the security service, Medic, is sure that the killer’s target was his owner, and not the dead girl, and hires private detective Tatyana Ivanova. He has a suspicion that someone is in a hurry to take the chief's place. During the investigation, Tatyana realized how wrong the client was and began to work out other versions. And, in the end, he finds the criminal, in whom the Medic recognizes his long-time fierce enemy...