Synopsis: In the 18th century British youngster John Mohune is shipped off to live with the dashing Jeremy Fox after his mother's death. Fox pretends to be a respectable gentleman, but actually makes his fortune by leading a gang of swashbuckling bootleggers. The naive John has no clue that his new caretaker is a notorious crook, and he immediately takes to his new role model. Likewise, Jeremy grows fond of the child, and the unlikely duo soon embark on a treasure hunt.