13 episode. Inquiring about the crazy plot, we can know that Xiao Wu is a policewoman in the play, and she is both a colleague and a mentor with the hero An Xin (played by Zhang Yi). In 13 episode "The Knockout", Li Xiang leads all police officers to rescue hostages, and An Xin struggles to gain a foothold. When shooting, Xiao Wu turned and said, "Let me help you". At the same time, An Xin shot Xiao Wu, and Xiao Wu casually said, "It's over." The Knockout is directed by the Propaganda and Education Bureau of the Central Political and Legal Committee and the Political and Legal Comprehensive Information Center of the Central Political and Legal Committee. Produced by iQiyi and Bai Liu Film and Television, directed by Xu Jizhou, starring Zhang Yi, Zhang Songwen, whitehairpin and Zhang Zhijian.