In one happy, carefree day, the beauty Lana Krasich received a letter… from the Cobra zone, in civilian life—Nadezhda Kim. The ruthless criminal and business lady shared the strongest friendship: Nadya had saved Lana from death twice. Now Cobra, serving out her sentence, begged to find her ten-year-old son, Sasha. It turned out the boy was alive, not dead as she had been told—and he was surely missing her in some orphanage. Lana hires a professional detective, and then a series of strange and terrifying discoveries begins. Instead of Sasha, an empty spot is found in the boy’s bed at the children’s home. And in a ditch they find a brutally murdered detective…