Barnabas comes into the possession of a vast fortune - £700,000, an astronomical amount by Regency standards - and determines to use this fortune to become a gentleman. His father objects to this plan and they quarrel. They settle their differences in a round of fisticuffs, which Barnabas wins, beating his father fair and square. Barnabas sets off for London to further his ambitions and, on the way there, contrives to make a number of influential friends and enemies. What will the outcome be?