Chaos disturbs Zhong-Yuan (Middle Plain) as Heidi, the Black Emperor, upsurps the throne, yet the rest of wulin (The Martial Arts World) is as serene as an ocean without ripples. Having left Hua Yuan Shan (literally "Chinese Plain Mountain", presumably a sword school) to attend a martial arts congress, Xin Moyi and Xu Xuan soon make acquaintance with Yue Ling Long, a young girl from Moyue Shan (literally "Devil Moon Mountain"). She, who will change the two worlds... A fantastical adventure of martial-chivalry is about to unfold...