Yu Bo is a famous "Buddha" who lives in Beijing's 49 cities, but he is betrayed by his brothers and sent to prison. After he was released from prison, Yu Bo's life was in trouble. By chance, he obtained the book on back fighting left by his grandfather. In order to change his fate, he could only return to his grandfather's old business and start a business of fighting back. But who would have known that such a seemingly coincidental thing would actually be Yu Bo's fate, and an unimaginable disaster is waiting for him...