Arthur Pendennis navigates the precarious transition from provincial youth to the complex social and literary landscapes of Victorian London. Following the death of his father, Arthur Pendennis relies on his devoted mother while attempting to establish his identity amidst the temptations of high society and the bohemian literary circles of the city. He faces a series of romantic entanglements and moral dilemmas that test his character and social standing. The narrative employs a third-person omniscient perspective to observe the protagonist's growth and the various figures who influence his trajectory. The world is defined by the rigid class structures and shifting economic realities of nineteenth-century England.

Readers and critics frequently identify this work as a significant example of the Victorian Bildungsroman, noting its balance of humor and social critique. Discussion often centers on the parallels between the protagonist's experiences and the author's own history within the literary bohemia of London. Many observers highlight the effectiveness of the narrative voice, which manages to be both intimate and detached while dissecting the moral failings of the era. The pacing is often described as deliberate, allowing for a thorough examination of character motivations and the broader societal changes occurring during the period. Readers appreciate the depth of the character development, which avoids simple archetypes in favor of more nuanced portrayals of human fallibility.