The tycoon Gubin and the vice-president of his publishing holding Bulygin grappled tightly. It got to the point that the first “ordered” the second. And Bulygin disappeared. And then Gubin’s wife was suddenly strangled in the elevator. The holding's employees don't know what to think: is there a connection between these two stunning events?

They look sideways at Regina Nikitina, who is clearly having an affair with their boss. They do not hide anything from Zanozin’s opera - and the figures of the two lovers immediately come to the detective’s attention. He doesn't see any other serious suspects yet. But the investigation is just beginning...