American spy Jack Stiles is sent by Thomas Jefferson to the tiny East Indies island of Palau-Palau where he teams up with British agent and inventor Emilia Rothschild to thwart the efforts of Napoleon and France in that region of the world. While acting as Emilia's man-servant, Jack dons the masked garb of the legendary Daring Dragoon and fights the local French Governor as well as thwarting various other schemes against America.