The arrival of an inquisitive American senator in England triggers a series of social collisions that expose the rigid expectations and moral hypocrisies of the British landed gentry. Arabella Trefoil, a woman driven by the necessity of securing a wealthy marriage, navigates the complex social hierarchies of the Victorian era while facing the scrutiny of her peers and the limitations imposed by her gender. The narrative employs a third-person omniscient perspective to dissect the motivations of various characters, contrasting the pragmatic, often cynical, approach to matrimony with the idealistic observations of the visiting Senator Gotobed. The story unfolds through a series of interconnected subplots that examine the intersection of personal ambition and societal duty.

Readers and critics frequently note the sharp, observational quality of Trollope's prose, which excels at highlighting the absurdities of the upper class. Discussion often centers on the character of Arabella Trefoil, who is frequently debated as either a victim of her circumstances or a calculated social climber. The pacing is often described as deliberate, characteristic of the Victorian serial format, allowing for deep character studies rather than rapid plot progression. Many readers highlight the effectiveness of the American senator as a narrative device, providing a necessary outsider perspective that challenges the established norms of the English setting.