Eighteen years ago, the benevolent young lord of Ningdu City was brutally murdered by unknown assailants while returning home. His guards Zelan and Bai Qing, along with his son Mo Jing, vanished without a trace, leaving the case unsolved in the martial world. Eighteen years later, a notice posted by the gravely ill old city lord seeking his lost grandson shattered the desert's tranquility.

The story follows a band of courageous bodyguards headed by Yang Liu An, and tasked by General Ma Bao with escorting his daughter Chen Yuanyuan, concubine to the recently deceased Ming emperor Wu Sangui, and her son, the last hope of the Ming Dynasty, to safety. En route, they must fend off the attacks of enemy general Hala, as well as Ma Bao’s treacherous second-in-command Ma Biao, all the while ...