The story of the young, beautiful client of the private detective Tatyana Ivanova is simple at first glance: being the wife of a rich sixty-year-old banker, Katerina took a lover. And then suddenly the beloved disappeared. Tatyana begins the investigation and quickly becomes convinced that no one except Katya cares about this man. The wife of the missing man is also behaving strangely: she doesn’t seem to care about the disappearance of her husband... or does she know something, because there’s a reason she’s so nervous? Soon events take an incredible turn, and Tatyana decides to resort to the most effective of all investigative techniques...