Han Chuan, a professional freestyle fighter, tragically loses his daughter in an accident. His family falls apart, his wife leaves, and he is expelled from the association, sinking into a life of despair.
The arrival of his landlady Chen Nan and her daughter Miaomiao brings new hope to his life. However, because of her rare blood type, Miaomiao becomes the target of a criminal gang led by Qin Gang and is kidnapped.
Han Chuan picks up his fists again and fights desperately against the criminal forces. With the help of ordinary people from the bottom of society, he finally defeats the villains.
