Joseph Andrews, a young and remarkably handsome footman in London, finds his virtue severely tested when his wealthy mistress, Lady Booby, attempts to seduce him following the death of her husband. True to the moral example of his sister Pamela and the devout teachings of his friend parson Abraham Adams, Joseph resolutely refuses her advances and is promptly dismissed without ceremony. Penniless and stripped of his livery, he sets out on foot toward his country home to reunite with his beloved Fanny, driven by an unyielding desire to preserve his chastity and integrity. Along the road, Joseph is brutally attacked by highwaymen, beaten, and left entirely naked in a ditch, before being reluctantly rescued by stage-coach passengers who object to his lack of clothing.
Meanwhile, parson Adams sets out on his own journey to London to publish his volume of sermons, only to realize he left his manuscripts behind, prompting him to turn back and join forces with Joseph. The two travelers navigate a series of chaotic encounters at inns, dealing with arrogant surgeons, greedy landlords, and ostentatious strangers, while Adams continually demonstrates a profound ignorance of worldly wickedness coupled with an unshakable courage in defending the innocent. Fielding weaves numerous episodic tales within the main narrative, most notably the tragicomic history of the fickle Leonora, whose relentless pursuit of social status and a fine equipage leads her to jilt the honorable Horatio for the fashionable fop Bellarmine, ultimately ending in ruin and despair.
The novel constantly dissects affectation, which Fielding identifies as the sole source of the true ridiculous, contrasting genuine Christian charity and moral fortitude with the hollow posturing of the English upper classes. Through countless misadventures involving brawls, mistaken identities, and romantic entanglements, the narrative steadily builds toward the ultimate reunion of Joseph and Fanny, whose innocent love triumphs over the mercenary schemes and vices of a corrupt society. Fielding's masterwork establishes the foundational framework of the English comic novel, celebrating human resilience and authentic goodness through immortal characters who remain vividly alive across the centuries.