Olga Ivanova, a modest schoolteacher, has long known that her sister Katya is a desperate adventurer. She knew it—but still let herself be pulled into a dubious story. And here we go—there’s a corpse on the carpet in the living room, and a corpse in a country house… But that’s just the beginning—someone really needs Olga’s life. But who? And where has her hopeless sister disappeared to?
Olga understands that once she learns the truth, she can save herself. Only this way—no other.