Jin Hangcheng is the son of Jin Zhengzhou and was held captive at the Guangming Psychiatric Hospital. He learned Sanda for a few years and has some fighting ability, though his body is currently weak. He was rescued by Tu Shan Jiu and Wu Shuyue from the seventh floor of the hospital. He filed a real-name report against his father for raising evil spirits, producing harmful inferior incense, running an illegal underground casino, and operating a silver trade venue. He is described as haggard and tormented after his captivity. As a victim, he needs to cooperate with the police and the Office's work at any time and place. Li Nanqing took him back to her apartment after picking him up from the Public Security Bureau. He picked up one of the sticks Tu Shan Jiu had thrown to the ground to use as a weapon during the fight.
