The key recovered by Gu Zhengwen in Hong Kong finally translated into a telegram sent by Zhang Hao. The content could only be accessed by high-level military officials. In addition, the repeated defeats in the Southwest War led Chiang Ching-kuo to conclude that there was indeed a communist spy in the top brass of the national army, and ordered Gu Zhengwen to reinstate him in order to capture the communist spy.Gu Zhengwen quickly interrogated the traitor Liu Kangfu. Based on his confession to Zhang Hao, Gu Zhengwen targeted Keelung Sanrongxing and planned to send people to infiltrate.

Wang Bikui went to Dou Mansion to play cards and unexpectedly heard Mrs. Duan Tuizhi say that a woman had gone to the Electric Guest House to look for Wu Shi. Maybe Wu Shi had a woman outside.Through the details disclosed by Wang Bikui, Wu Shi realized that Duan Tuizhi was checking Zhu Feng's details and must send Zhu Feng away immediately, otherwise the consequences would be unimaginable.The Huang Jie Corps of the National Army fled to Vietnam, and Zhou Zhirou ordered Wu Shi to coordinate all parties to bring them back to Taiwan.
In the process of raising ships, Wu Shi learned that Zhou Zhirou was transporting a large amount of air force equipment to Zhoushan.Wu Shi conducted many investigations and analyzes and finally made a judgment that the Kuomintang Air Force planned to start from Zhoushan and bomb Shanghai.Gu Zhengwen took Weng Lianwang, a Taiwanese team member, to the prison to pick out Zhuang Achen, a Chinese language teacher from Keelung Middle School who was arrested in August for the Guangming News case, and asked Weng Lianwang to pretend to be Teacher Zhuang and infiltrate Sanrong Bank.