The reflection was that of a putrefying corpse. By some trick of the light, her face seemed sallow and slipping, the patches of darkness giving the appearance of skin sloughing off in small pockets. I’d almost forgotten the knife in my panic; the woman was far more dangerous than the weapon. Blood drizzled down the blade, obscuring the macabre reflection of Natalya’s face and suddenly I was transfixed by a thought that should have been immediate: Whose blood is that?