Having encountered an unfamiliar neighbor and exchanged a few phrases with her, Tonya never found out: with her presence, this woman saved her life. They walked out of the elevator together, continuing to talk, and then the killer didn’t have time to shoot - the door to Tonya’s apartment slammed shut... The darkness outside the window evoked thoughts of something frightening and unreal, and this made the call also seem alarming to Tonya. Opening the door, she gasped when she saw her disheveled friend Lilya, who didn’t look like herself. She is being blackmailed, and Lila urgently needs a lot of money... There was no line at the ATM, only some girl was withdrawing a very significant amount. When she turned around, Nikolai Korsun recognized his former classmate Tonya. He barely remembered her for many years, but now he realized that he had never forgotten about her. Korsun had no idea what problems she had, but without hesitation he was ready to take charge of solving them...