The sudden entry of a young, naive woman into the complex and often predatory social hierarchy of eighteenth-century London forces her to navigate a landscape of rigid manners and hidden dangers. Evelina Anville, a young woman of unknown parentage, must learn to interpret the unspoken rules of high society while protecting her reputation from the social climbers and aggressive suitors who populate the city. The narrative is presented through an epistolary framework, utilizing letters written by the protagonist to her guardian, which allows for a candid and immediate perspective on her experiences. She faces constant pressure to conform to societal expectations while struggling to maintain her integrity in a world that frequently views her innocence as a vulnerability.

Readers and critics frequently highlight the novel's sharp wit and its effectiveness as a social satire of the late eighteenth-century elite. Discussion often centers on the protagonist's growth as she transitions from a sheltered upbringing to the complexities of urban life. Many observers note the balance Burney maintains between the lighthearted comedy of manners and the underlying tension regarding the limited agency of women during this period. The epistolary format is often praised for providing an intimate look at the character's internal thoughts and her evolving understanding of the world around her. Readers frequently emphasize the accessibility of the prose, which remains engaging despite the historical distance of the setting.