The Duke of Omnium struggles to reconcile his rigid aristocratic expectations with the independent romantic choices of his adult children. Following the death of his wife, the Duke finds himself isolated by his own high standards and grief, attempting to manage the lives of his son, Lord Silverbridge, and his daughter, Lady Mary. The narrative follows the Duke as he navigates the changing social landscape of Victorian England, where traditional class boundaries are increasingly challenged by new wealth and personal autonomy. The story is presented through a third-person omniscient perspective that provides insight into the internal conflicts of both the aging patriarch and his children. The primary tension arises from the Duke's desire to preserve his family's legacy against the unpredictable nature of his children's personal desires.

Readers and critics frequently highlight this work as a sophisticated conclusion to the Palliser series, noting its focus on the psychological depth of the Duke. Discussion often centers on the balance between the political subplots and the domestic drama, with many observers appreciating the realistic portrayal of familial friction. The pacing is often described as deliberate, reflecting the author's commitment to character development over rapid plot progression. Critics emphasize the effectiveness of the atmosphere in capturing the transition of Victorian society, making it a significant study of the era's changing values.