One morning, instead of her beloved husband, Lera Serdinskaya finds in her bed a completely unfamiliar man who shamelessly insists that he is the real husband. Everyone around her—even her own sister—recognizes the impostor as Lera’s lawful spouse. But she knows she hasn’t gone mad, and she hires a detective to investigate this story. Let everyone call her strange—Lera does everything to expose the impostor and find the real husband. But why, all around her, there are so many corpses that appear so mysteriously and disappear just as mysteriously?