Tanya Antonicheva was always very worried that in her life there were no fascinating passions that you read about in books, no skeleton in the closet, no family treasures... And then one day, jokingly suggesting that her friend get rid of her unfaithful lover, Tanya didn’t even think about could that her words would turn out to be a terrible truth. Someone poisoned Seryozha Uglov. And then there are new misfortunes! An unknown attacker introduced a virus into Tanya’s work computer, and Sergei’s colleague and former lover was killed. Decency and guilt do not allow the girl to stay away from the investigation. But who exactly commits these strange and even terrible crimes, Tanya does not immediately manage to understand...