In The Knockout TV series, Lao Ji is a good man. Lao Ji is the leader of the task force sent by the province to the sea of tranquility to eliminate evil. He has a famous saying in the play that everyone is working while the iron is hot in Jinghai, which is harder than iron. In the TV series The Knockout, the leader Ji is not a bad guy, but the deputy head of the investigation department. Captain Ji He is a good policeman. They fought against evil forces together and finally brought them to justice.