The demon king, which was sealed by the three major sects (Xianhemen, Jinmian, Qinglian), reinstated the gods and forced the demons to absorb the essence of the common people. When the pure body descended to the mortal world, the robbed baby boy Bai Yulang He was rescued by the Xianhe faction. He grew up in adulthood 18 years later. He finally defeated the demon king through the rebirth and finally killed the demon king with the help of his beloved person (Xie Wenxuan). Since then, in the legends of later generations, Bai Yulang walked the rivers and lakes, descending the demon.

Bai Yutang, nicknamed "Sleek Rat", is a Song dynasty knight-errant from the 19th-century Chinese novel The Seven Heroes and Five Gallants. During the peace talks between the Imperial Court and the Western Regions the four princes from the first batallion publicly paid tribute to the fallen soldiers, but they were suddenly attacked by a group of "stray wolves". Was it the revenge of the Western Regions, the instigation of the Lord and the faction, or other mysterious forces that took the opportunity to make trouble? Bai Yutang was ordered to investigate the case of "Dare Maneater Wolf". With the help of his friend Yu Mo, he quickly discovered the truth of the so-called "Dare Maneater Wolf". They were all controlled by puppetry.

The new emperor ascended the throne, and the DPRK was unstable. The border general Han Zhong and his son Han Chao returned to the DPRK to maintain stability. At this time, the six princes who held the military talisman at the border died tragically. In order to prevent the military talisman from leaving the city, the emperor ordered the gate to be closed for three days. At the same time, for the sake of peace of mind, Han Chao and others were sent to investigate the murder of the Six Princes, within three days. With the in-depth investigation of the case, a tragedy of 17 years ago has surfaced, and rumors of "Red Clothes and Shadows" resounded throughout the capital. The real identity of the murderer is fascinating, and the case becomes more secretive and bizarre...