1375. Nine Koryo warriors, envoys exiled by Imperial China, battle to protect a Chinese Ming Princess from Mongolian troops.
In 1375, China was in chaos between Yuan Dynasty and Ming Dynasty. Coryo (an ancient kingdom of Korea then) sent a delegation of many diplomats, soldiers and a silent slave to make peace with the new Chinese government. However, this delegation got charged as spies and sent in exile to a remote desert.
