Qu Du was originally a third disciple of the Huashan Sect. He went into self-exile because his true love married another man. He was accidentally rescued by Murong Yan, a demon girl from the Qingsheng Sect. The two went to Tiansheng to look for the medical saint Chen Lie. Unexpectedly, they heard that Qudu's master Huo Qingshan had died at the hands of Murong Yan, and Qudu was also charged with bullying his master and destroying his ancestors. . . .