Marina, the “gray mouse” and loser, began a streak of luck; two admirers immediately set up dates for her and confess their love. True, along with luck, inexplicable and strange events begin in her life, people die around her... A monstrous guess arises that there is a maniac killer next to her, and his next victim is herself. She is almost sure of this, but while waiting for death, she still hopes for a miracle. But it is not a miracle that will help her, but the faithful Nadezhda Lebedeva.