The Knockout is an anti-gang criminal investigation drama, starring Zhang Yi, Zhang Zhijian, WU GANG, etc., with red mud, stone, etc. as special guests, and Li Jian, Gao Ye, Wang Xiao, etc. The play tells the story of a 20-year life-and-death struggle between the righteous forces and the evil forces, represented by Anxin, a frontline criminal policeman. Through group narration, it shows the black-and-white contest and complex humanity in the anti-gang action.