After ten years of cultivation in the deep mountains, when Lin Feng returns, he is long no longer the ordinary youth of back then. Stepping back into his family home, his parents passed away unexpectedly, and his only younger sister, Lin Yunyao, suffered bullying, unable to even scrape together her tuition fees. He hides all his skills, just wanting to make up for the ten years he owes his sister. But there are always people bullying others with power and pressing step by step, so he has no choice but to make a move, making the rampant people bow their heads, making the arrogant rich young master deflate, and making all the people who bullied his sister filled with regret. Only by protecting his close relatives can he live up to this ten years of cultivation, reuniting with his first love who has been bitterly waiting for years, and the sealed truth also emerges accordingly. The reclusive master returns to the metropolis, and just watch how he protects his sister, guards his original intention, and lives out a gratifying life.