A young girl, Dina Cheremisina, dies after swallowing pills. A typical suicide—this is the conclusion doctors and police come to. And only Dina’s friend Lera does not believe in this, and at her request, private detective Tatyana Ivanova is included in the investigation. Having reached a dead end due to the complete absence of suspects and asking, as usual, for help from policeman Andrei Melnikov, Tatyana unwittingly delves into the problems of her friend. He unsuccessfully struggles to investigate the robberies committed by a certain fatal brunette. It’s a paradox, but two different crimes add up to one chilling story...