The social ascent of Rebecca Sharp, a cunning and impoverished young woman, triggers a series of calculated maneuvers to infiltrate the highest echelons of British society. Driven by a relentless ambition to secure wealth and status, Becky navigates the rigid class structures of 19th-century England, often exploiting the vulnerabilities of those around her. Her primary opposition manifests in the form of societal expectations, financial instability, and the moral scrutiny of her peers. The narrative, presented through a third-person omniscient perspective, examines the vanity and hypocrisy inherent in the social hierarchy of the Napoleonic era.

Readers frequently highlight the sharp wit and cynical humor that define the narrative voice throughout the novel. Discussion often centers on the moral complexity of Rebecca Sharp, as audiences debate whether she is a villain or a survivor of a restrictive system. Critics often praise the balance between the intricate character studies and the broader critique of social vanity. The pacing is noted for its deliberate, expansive nature, which allows for a thorough examination of the characters' motivations. Many readers find the work effective in its portrayal of the superficiality that governs the relationships within the elite circles of the period.