When the young swordsman Fu Tianlin walked through the rivers and lakes for the first time, he was intercepted and killed by green forest figures along the way and found himself in danger several times. They had just joined hands with their new best friend to drive away a strong enemy, but they encountered a white-clothed camel with extraordinary martial arts blocking their way. The opponent was willing to exchange the best swordsman in the martial arts for the mortal iron sword stained with green blood and scarlet marks in Fu Tianlin's hand. Fu Tianlin flatly refused because the sword was a relic of his former master. The camel man in white threw a skull and disappeared. Three murderers from outside the territory rose up after hearing the news and joined forces to snatch it. Fu Tianlin fought hard, but couldn't escape the siege. He let out a loud roar and broke his sword! The three evil men picked up the section with scar marks on it and left happily. Fu Tianlin was forcibly captured and sent to the East China Sea. The red Rakshasa Gu Piaoxiang fell in love with him at first sight and expressed his love in every possible way. Facing the stunning beauty, Fu Tianlin was arrogant and arrogant, but it was the heroine Zhen Qiushui who was unforgettable. Zhen Qiushui went west to Qilian Taoist Temple in search of Fu Tianlin, but was trapped by the current demon in the iron palace full of poisonous snakes. Gu Piaoxiang seeks revenge on Huashan to find Fu Tianlin, and happens to meet Zhen Qiushui. A pair of rivals in love rescue each other in times of trouble, and become handkerchief friends. The good and evil factions of martial arts are scheduled to compete in Mount Jiujiu Huangshan. The loyal swordsman, who is regarded as the leader by the decent people, has to obey the three evils because he is bound by the red mark of the iron sword. The overall situation of the martial arts world is complicated and confusing; heroic men and strange women have many worries.