Ancient Chinese legends tell of the beautiful empress Xiao Ling, who took her own life on the day she saw her first wrinkle on her face. These legends also claim that the empress possessed a remarkable artifact—the Serpent Ring—which kept the secret of eternal life. For many centuries, the Serpent Ring has been hunted for, but no one has managed to find it. And who wouldn’t want to forever give up old age, wrinkles, gout, and the whims of old age? No wonder that in modern-day St. Petersburg, the price of the ring is a stranger’s life… And of course, even here, there’s no avoiding a detective amateur—Nadezhda Lebedeva—who, like any woman, would like to shed a year or two…