Shi Changsheng wanted to escort Yun Hongshen to Chongqing to establish his underground party identity, and asked Ke Jingping to investigate Yang Ziming. Ling Han planned to let Ke Jingping get the photo of Yun Hongshen's phone call, making people think that Yun Hongshen was pretending to be Milan and calling Ling Han.The phone call was intended to frame Yun Hongshen as a traitor;Wen Yeming did not believe that Yun Hongshen was a communist. Ke Jingping strictly ordered Wen Yeming to verify Yun Hongshen's identity as a communist. However, Wen Yeming was determined to help Yun Hongshen get rid of the suspicion; Ling Han went to Ke Jingping and surprised him with his maid.Yu's phone recording persuaded Ke Jingping to arrest Yun Hongshen.Yang Ziming went to the rest area to visit Yun Hongshen, but found that Yun Hongshen did not go to the hiding place, and was very worried.
Yun Hongqi discovered that Yang Ziming had come to the safety station, judged that Yun Hongshen was in danger, and decided to return to Changsha; Yang Ziming decided to sacrifice himself to divert the military firepower and save Yun Hongshen. He asked Zhiyaju's colleagues to transfer to Shanghai to investigate the reserve fund.; Yun Hong heard about Ye Ming deeply and learned that he had been photographed making phone calls, which made Jun Tong think that it was him who made a false accusation to Ling Han.Trapping Ling Han; Yun Hongshen identified Milan's safe house from the photos provided by Wen Yeming, deliberately alarmed Milan, and induced Milan to notify Ling Han and Zong Fang to meet, preparing to catch them all; Ling Han sneaked into Yun's house and gave false evidence to frame Yun HongShen was a member of the Communist Party and was discovered by Jing Yu. Ling Han killed Jing Yu; Yang Ziming deliberately left evidence against himself in Zhiyaju.