During the Northern Song Dynasty, Huang Shang was sent to eliminate the Ming Cult, killing many people in the Ming Cult, and then fled and lived in seclusion for more than forty years. He thought hard about how to decipher the enemy's martial arts, and wrote the Nine Yin Manual.

In the martial arts world, there was a fight over the Jiuyin Manual. Wang Chongyang took action to seize it and invited the now famous Yaoshi Dongxiehuang, Xidu Ouyang Feng, Southern Emperor Duan Zhixing and Northern Beggar Hong Qi to the top of Mount Huashan.In sword competition, the one with the highest martial arts will get the Nine Yin Manual.

The five great masters debated swordsmanship for seven days and seven nights at the top of Mount Huashan. Although Wang Chongyang was ultimately the best master in the world, East Evil, West Poison, Southern Emperor, Northern Beggar, and Zhong Shen Tong were known as the top five masters in the world.

Huang Yaoshi reflected on himself. He was distracted by other things, so he had not reached the peak level. He was about to return to the island to practice hard, but he met Feng Heng, a very smart and weak girl, and fell in love with him at first sight. Ouyang Feng thought that he could not defeat Wang Chongyang, so he decided toHe planned to seize the scriptures when Wang Chongyang was dying, and even conspired with Qiu Qianren to assassinate his nemesis Duan Zhixing.