During a great battle, Annie Oakley and the Automated Tin Man rescue Billy the Kid and Matthew Henson from the clutches of General Custer's Imperial Army and his T-Rex, "Sue." Meanwhile, Samuel Clemens realizes it's becoming more and more difficult to be an adventurer with a sense of humor during wartime: He must make a fateful decision to in order to stop the Empire once and for all and prevent Rasputin from getting his hands on the Atomic Machine at the North Pole.