The Cloven Foot by Mary Elizabeth Braddon

Mr. Treverton's hunter was taken back to his loose-box, where he executed an energetic _pas seul_ with his hind legs, in the exuberance of his feelings at being let off his day's work. Mr. Treverton himself was closeted with his wife in the book-room, but not alone. The man from Scotland Yard was present throughout the interview, while his subordinate, a respectable-looking young man in plain clothes, paced quietly up and down the corridor outside.

Laura bore this last crushing blow as she had borne the first -- with a noble heroism. She neither wept nor trembled, but stood by her husband's side, pale and steadfast, ready to sustain and comfort him, rather than to add to his burden with the weight of her own grief.