During the Daoguang reign of the Qing Dynasty, Guangzhou Prefecture detective Chen Tiezhi was blocked from investigating the embezzlement of disaster relief funds. Taking advantage of the inspection of Wu Da Ren, he pretended to assassinate him and used this opportunity to secretly investigate the flow of silver. Just when the truth was about to be revealed to the world, Chen Tiezhi was almost killed. After a desperate fight, the criminal was finally caught. Chen Tiezhi resigned from his post and retired to establish a martial arts school to benefit his hometown.