In the middle of the Ming Dynasty, Lin Yu was originally a hunter in a mountain village. A fragment of a mysterious secret book broke the peace of life, and he entered the world with curiosity and longing. When he first entered, he was surrounded by bandits, but fortunately Su Ran rescued him. But after that, why did various sects become suspicious? What's the truth behind the family's demise? What kind of shocking conspiracy does the cult hide? Let's see how he breaks the situation and writes a chivalrous legend!