A young guards officer comes on vacation to his native land, to White Lake. In honor of his arrival, his father organizes a hunt, during which the young man dies under mysterious circumstances. The investigation is being led by the Commander of the Imperial Guard. He has no doubt that the death of the young nobleman and many other troubles that befell the noble family are the machinations of Lucifer’s most beautiful and sweet-tongued minion, the black demon Belial, who took the form of a beautiful Lady who seduced the guardsman. He undertook to destroy the ancient noble nest and destroy all life around. To rid Belozerye of it, we must find the second incarnation of the demon, the pale-faced angel Khalil, in whose heart lies the death of Belial...