Jiang Xiaoci brother. He is a police officer working at Victory Police Station. He was confused when his dad called him to go to his grandparents place and insisted he bring Han Jingyuan. He initially wanted the undercover opportunity so he could be near his sister in the capital. He and Han Jingyuan had worked on exactly ten cases together with no clear winner between them. He drew lots for the transfer opportunity but Han Jingyuan got the undercover assignment.
