Chu Kuangsheng, son of Patriarch Chu in the remote Shiyang town in Shenlong Empire, was born weak and unable to train. Due to his cultivation impairment, he is the laughingstock of the entire town. Three years ago, his parents go missing while on official duty. His talented and beautiful sister, Chu Liu'er, is the apparent successor to head the Chu family but she suffers a strange illness. Since then, Chu Kuangsheng's situation gets increasingly difficult. During an ambush, the injured Chu Kuangsheng inherits the ancestral technique of Chu family, rebuilding his damaged meridians. From then on, Chu Kuangsheng's training progresses rapidly. Despite appearing weak and incompetent on the surface, he has another identity — the renowned Kuangzun in the martial world. Chu Kuangsheng discovers the collusion of the Chu clan leader with outsiders may be related to his parents' disappearance. He uses his hidden identity of Kuangzun to secretly make connections with heroes, accumulating strength and gathering information. With one face and two identities, he eliminates the corrupt individuals in the Chu clan, He then leaves the small town for Siling Academy to train while he investigates and traces the clues to his parents' disappearance. Wielding his sword, cutting off the past and battling against heroes in the vast universe, Chu Kuangsheng's name resonates across myriad domains — he becomes the master.

Prologue of .

In Ming dynasty, legend goes that there is an ancient deity's book covering a wide range of technical issues, including the unique method of manufacturing the weapons of deity, which has the power to destroy everything. He who gets that book rules the entire nation. Reportedly, in ancient times, deity made the royal family keep the book, as a sign of acknowledging their ruler-ship. However, in Yuan dynasty, the Mongolians invaded the central plain and ruled the nation. There was chaos everywhere and the book which was supposed to be enshrined in the Imperial Palace was somehow missing and reappeared in the outlaw societies, luring lots of forces to fight for it. When Han people regained the ruler-ship in Ming dynasty, though the deity's book was found back and enshrined in the Imperial Palace again, those outlaw forces already knew that the book was more than just a legend! It did exist! So they plotted to steal it out. There are there most famous robbers in the outlaw societies: Hell-fire monk, Hua Daochang the thousand-face fox and Duan Yun in white. One day, on the ghost festival, they sneaked into the Imperial Palace, trying to steal the most precious treasure, competing for the title of "the most famous robber." At last, the hell-fire monk stole the deity's book. The emperor founded the Imperial Guards to serve as his personal bodyguards and imperial secret polices and spies, among whom, there was a young and inexperienced guard—Yuan Xiaotang，the hero of this animation. The emperor demanded the Imperial Guards catch the three robbers and find back the book. That's how the story begun!