Xu Weihua told Zhu He that Ling Han asked him to follow Yun Hongshen.Milan notified Ling Han to evacuate at the phone booth. Yun Hongshen rushed to the phone booth, but was secretly photographed by Milan.Ke Jingping monitored Milan's phone call to Ling Han, and Ling Han was arrested. In order to prove his innocence, Ling Han handed over a Japanese radio station he had monitored; when Yun Hongshen and Zhu He had a secret meeting, they thought that Ke Jingping would definitely send Wen Yeming to investigate.To protect Wen Yeming, he deduced the location of Radio Linghan and went to fight alongside Wen Yeming. The two expressed their feelings to each other on the underground radio station. Afterwards, Wen Yeming still insisted on completing the task, and Yun Hongshen decided to stayguard.Ling Han inadvertently passed on the news, and Ke Jingping noticed it. However, the Japanese spies disappeared one after another after receiving the news. Ke Jingping tried to catch them all but failed.Yun Hongshen and Wen Yeming received a message from Radio Linghan, saying that the spy Mr. “ was coming to Changsha and would bring a new list of Japanese lurkers.Zongfang and Milan contacted each other to prepare for Mr. ”%.Ke Jingping divided his troops into two groups to capture the radio station that Ling Han provided, and at the same time, he captured Mr. Zhang, who was on the same boat as Zhang Xiancheng.Military commanders and spies have set up spies at the pier, waiting for Mr.'s ship to arrive.