Elena left work with a bang. It would be nice to get down to business, it wouldn’t be so offensive! It’s just that the director of the commercial bank where she worked as a secretary suddenly began making meaningful hints and throwing his hands around. Having given a fitting rebuff to the impudent man, Elena instantly found herself on the street. But it’s not in her nature to be depressed! She decides to get a job in the first office she comes across, which by chance turns out to be a detective agency. The red-haired detective Oleg refuses her - there are few orders, a new employee is not needed. However, Elena is not going to back down - she brings her neighbor Yulia, whose sister has been arrested for murder, to the agency, and she throws herself headlong into the investigation of the complicated case...