An Xin gave the hostage a password to dry-fry the cow river during the police exercise in the hurricane drama, which was uniquely designed by the male host An Xin. 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.