The young swordsman Fei (Huang Yuanshen) is bent on becoming famous all over the world, and by chance, he and Li Xunhuan (Zhu Jiang), who is known as "Xiao Li Flying Knife, is not in vain", became the BBB of Mo Zhi. Huan accidentally injured the son of his righteous brother Long Xiaoyun, and re-met Long and his old lover Lin Shiyin (Li Linlin), who had been separated for twenty years. When the plum blossom thief reappeared in the rivers and lakes, setting off a bloody storm. The dragon is afraid of Huan, the old love between the two is revived, slandering Huan as a plum blossom thief, flying to save friends, breaking into Longtan alone, unfortunately invincible, and seriously injured, fortunately the world's first beauty Lin Xian'er (Huang Xingxiu) rescued, and fell in love with the beauty of the fairy.　　Huan was tried in Shaolin, and Fei cleared Huan's name, but he was arrested in the name of the plum blossom thief. The crowd Yifei wanted to blackmail Huan into submission, and was fortunate to have the help of the monks to uncover the mystery of the theft of the Shaolin scriptures, and the Shaolin abbot let the two go down the mountain to investigate the true identity of the plum blossom thief. Fei actually found that the fairy was the plum blossom thief. After the immortal was revealed by Huan, he had no news with Feiyin.　　Two years later, the news that Xingyunzhuang had hidden martial arts secrets spread all over the rivers and lakes, and Huan, who had been in seclusion, was involved in a martial arts dispute again in order to protect Li Shiyin (Wen Liumei). It turned out that the whole thing was a conspiracy of immortals, and the purpose was to use the ambition of the money gang leader Shangguan Jinhong (Zhang Chong) to seize the cheats to deal with Huan.　　With the help of Mr. Sun (Guangyi) and his granddaughter Xiaohong (Ouyang Peishan), they learned about the background and saw Fei again. Fei's will is depressed, and he is convinced that the immortals have changed their ways. Huan wanted to expose the true face of the fairy, but the fairy was scheming, which made Fei misunderstand Huan. Before long, Huan received a challenge from Shangguan, and Fei also discovered the ambiguous relationship between Xian and Shangguan, and his grief was inexplicable.　　The decisive battle is approaching, the battle between Huan and Shangguan, who will be killed? Can Fei sword and cut the love thread?