In the rivers and lakes, Lin Shuang, who has a cold personality, embarks on a journey to find the lost sword manual. When he is robbed by bandits on the way, he is rescued by the lively and righteous Su Yao. Since then, the two have traveled together and faced the dangers of the world together. In a crisis, Lin Shuang protects Su Yao from serious injuries. After this ordeal, they have a deep relationship and become each other's most trustworthy support.
