Detective Tatyana Ivanova needs to find out who is sending threatening letters to musician Valerio. Many people fall under suspicion. To prevent an assassination attempt, Tatyana inspects the stadium, and Valerio even hires additional security, but during the concert an attack is still carried out against the artist. The musician survives, yet a close person to him dies. The culprit doesn’t stop, devising new and new ways to get close to the victim. So how will this intellectual duel between the offender and the detective and police end? Marina Serova is a phenomenon of the modern Russian detective genre. She graduated from the law faculty of Moscow State University, worked at the General Prosecutor’s Office, and took part in operational activities. She is the author of a number of fast-paced stories with a total circulation exceeding twenty million copies.