Sending his Human Resources Manager on a reconnaissance mission to the great Jin city of Rhizun seemed like a good idea to Genghis Khan at the time, until a serendipitous scroll appears with revelations of a secret heir to the khanate. To save his legacy, Genghis sends his Mongol Horde into Jin lands with nothing more than the fiercest army the world has ever known and several hundred of Captain Kupcayk's famous buns. Unfortunately for Genghis, his successor is on the wrong side of the city walls.