Creative crisis and the tragic death of her mother under very mysterious circumstances plunge Sophia Koroleva into deep depression. In addition, other members of the Korolev family suddenly die. Private detective Andrei Nikitin is trying to get on the trail of the killer, and Sophia, who finds herself at the center of events, feels like an indirect culprit of what happened. She only has questions. Who's the next victim? Is there anyone nearby who you can trust?...