On the eve of the coronation of Alexander III, the young Baroness Amalia Korf went to visit distant relatives of her husband. At first, she really liked their well-kept, doll-like mansion, but later Amalia witnessed several very unpleasant family scenes and realized that not everything in the house is as smooth as its inhabitants want to show. And soon she learned that Natalya Dmitrievna, the venerable mother of the family, went for a walk and did not return, and her bloody glove was found in the nearby forest. There are plenty of suspects - this is the husband, who has a family on the side, and his son from his first marriage, who hates his stepmother... Amalia was almost sure of the answer, but events suddenly took a completely unexpected turn...