After Wen Yeming returned to Juntong, he ordered the secret surveillance of Yun Hongshen and Yun Hongqi, and Ling Han now had some clues about tracking down the traitors in the Juntong station.Yun Hongshen and Yun Hongqi discovered that their home had been monitored by military commanders and sneaked back home. Yun Hongshen accidentally let Yun Hongqi know about Yun Muzhi's sacrifice.Yun Hongqi wanted to kill Wen Yeming to avenge Yun's father, but was stopped by Yun Hongshen.Yun Hongshen told Yun Hongqi to focus on the overall situation. Bage is likely to have information on the layout of the Japanese army's attack on Changsha. He must first find Bage and get the information, and then track down Wen Yeming and “Kunwu”.Yun Hongqi ordered Xiaodao to investigate Bago's whereabouts, and asked his friend Xu Nian to help inquire.Wen Yeming reported the arrest situation to Ke Jingping. Ling Han reported to Ke Jingping that he had found Qu Wenqing's escape route and found that Qu Wenzhi's escape was related to the Baimen. He also narrowed down the scope of Juntong's traitors based on the cleaner who died in Juntong.At the same time, Wen Yeming also learned from the report of deputy Chen Dongping that Li Xuemin was dead.