Ten years ago, his family suffered a drastic change, and Xu Ce left his hometown. After ten years of sharpening himself, he returned to his old place with an unknown identity, intending to quietly find out the truth of that year, only to find that the family of benefactors who had once sheltered him was suffering all kinds of grievances. He no longer hides his strength, step by step dispelling the clouds to see the sun, supporting a piece of sky for the benefactors, and bringing the hidden justice of that year to light. From the despised returning traveler to the back that everyone looks up to, he only wishes to guard that lamp under the eaves.