It is the time of the Napoleonic Wars. Peter Raven is a bright, young midshipman in the Royal Navy of Great Britain. Raven, along with the swashbuckling secret agent Commodore Beaumont, uncovers a reckless scheme devised by none other than Napoleon Bonaparte. Eager to add America to his empire, Napoleon has made a wicked pact with a murderous pirate known as Count Vallon: In exchange for the pirate's gold, Napoleon will name Vallon "King of America"! Raven, Beaumont, and a beautiful young American heiress, Lucy, must do whatever it takes to put a stop to one of history's most audacious plots!