A young girl, Anyuta, left home for classes. She left and never returned. Three days later, a local businessman turns to private detective Tatyana Ivanova and asks her to find the missing girl. His son is in love with Anyuta and is very worried about her disappearance. But scarcely had the sleuth started her work when the desperate man’s father died a terrible death.
A little earlier, he had received a videotape with footage where the daughter pleaded for rescue, and a certain male voice off-screen said: this kidnapping is revenge against the parent for old sins.
Continuing the investigation, Tatyana finds out that twenty years ago the city was shaken by two such equally brutal crimes…