A martial arts expert is transported to the Ming Dynasty imperial palace as a young eunuch. With the fall of the dynasty imminent, and Li Zicheng's forces poised to attack the capital, he must struggle against insurmountable odds to resist the Qing invasion and save the Ming Dynasty. He must protect the crown prince, fight against rebel forces, and somehow prevent the atrocities of the Yangzhou Ten Days and the Jiaxing Three Massacres. Despite his humble beginnings and lack of supernatural abilities, he will raise the dragon flag of the Ming Dynasty.