Plot synopsis: 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.