Jimmy Crocker, a notorious socialite known as Piccadilly Jim, attempts to abandon his life of debauchery to win the affection of a woman who despises his reputation. To secure her favor, Jim adopts a false identity, leading to a series of complications involving his eccentric family and the social circles of New York. The narrative follows his efforts to maintain this deception while navigating the expectations of his relatives and the scrutiny of his romantic interest. Wodehouse employs a third-person perspective to highlight the absurdity of the social maneuvering and the inevitable collisions between Jim's past and his present persona.

Readers frequently highlight the sharp wit and linguistic dexterity that define Wodehouse's prose in this early work. Discussion often centers on the effectiveness of the farcical plot and the author's ability to balance slapstick humor with genuine character growth. Critics often note that the novel serves as a prime example of the author's signature style, which relies heavily on irony and social observation. Many readers appreciate the lighthearted atmosphere and the clever way the narrative resolves its central deception. The book is widely regarded as a quintessential example of early twentieth-century comedic fiction.