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 a single ripple. 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...