Set in late 18th century Europe the adventures and mis-adventures of a minor member of the Irish gentry trying to better himself. Redmond Barry of Bally Barry is a clever young man, who learns the manners of a gentleman. This serves him well, for the next few decades he meanders through Europe, as a soldier, mercenary, gambler, and vagabond. He reaches the pinnacle of worldly success by marriage to an English heiress, but disastrously squanders her fortune and good will.

In 1975 Stanley Kubrick released a movie based on this novel.