Nina sang an old romance about black clover, which blooms when there is no mutual understanding between lovers, and there are more secrets than happiness. And Mikhail fell in love with her—not just someone else’s wife, but the wife of the first assistant to the great Kremlin ruler. They could not have a common future, but leaden clouds were gathering over the present: one day a formidable husband caught them red-handed. But instead of a terrible reprisal, the impossible happened: he agreed to let Nina go! True, Mikhail was given a condition: to betray his life’s work...