The story tells the twin brothers love each other's fate: 17 years ago, "the world's richest man" Jiang Feng and his expectant wife encountered the villainous thief Twelve Astrologers of the Jianghu Lake, and gave birth to a pair of twins before they died. One of them was brought to the Valley of Evil by cutting his cheek, and the other was taken to the forbidden place of the martial arts world, the Palace of the Moving Flowers. Many years later, Jiang Xiaoyu, a young man with a scar, is raised by the five villains in the Valley of the Wicked and aspires to become "the world's most wicked man"; while Hua Wujian, a flashy young man, upholds his master's philosophy of "cutting off love and lust, eliminating evil and defending the way" and goes down to the mountains to eliminate evil. The cogs of fate begin to turn, and the two brothers' very different but inseparable lives in the jianghu unfold (deepl)