Her Husband's Keeper is a novel written by Elizabeth Daniel in 1875. The story revolves around the life of a woman named Marion, who is married to a wealthy man named Edward. Despite her luxurious lifestyle, Marion is deeply unhappy in her marriage and feels neglected by her husband. One day, she meets a charming young man named Arthur, and they begin an affair. As their relationship deepens, Marion becomes increasingly conflicted about her infidelity...