The history of Yuan Tiangang

Yuan Tiangang, having lost his family, hides in the valley of Hidden Soldiers, guarding the legendary Dragon Sword. After being attacked by demons, he survives, learns stargazing, and becomes a murderer of the wicked. Years later, he meets the innkeeper Huanyin and unexpectedly reunites with an old friend. The return of the Dragon Abyss puts him in front of a choice: serve the dynasty or become the hero of Jianghu.