Private detective Tatyana Ivanova makes mistakes very rarely. But this time she miscalculated... Polina Kruglova, who was being sought by her concerned father with the help of Tatyana, was found murdered, although the detective assured that she would quickly find the girl - alive and unharmed. The matter, which at first seemed so simple and easy, becomes more and more complicated. Polina's body ended up near the stadium, where a famous rock band had recently held a concert. And not only that, there were bags of drugs under Polina’s corpse... But how could a quiet and homely girl, who practically never left the house and did not communicate with anyone except her close friend and her own father, get involved in such a criminal story? The examination confirmed that Polina was not a drug addict. Then what kind of white powder is scattered on the lining of her small handbag?..