After three rounds of drinking, unexpectedly, at this time, Zhizhi and his wife came to congratulate Wu Shi for his innocence. He recognized Zhu Feng and said that he had seen him at the Electric Power Guesthouse. Everyone was embarrassed and silent.Fortunately, Nie Xi quickly gave a reasonable explanation, and Wang Bikui was relieved.Chen Zemin, deputy secretary of the Taiwan Working Committee, went to Keelung to receive the radio station sent by his superiors. Weng Lianwang volunteered to accompany him there. Cai Xiaoqian violated Weng Lianwang's request and agreed to it.Chen Zemin was arrested in Keelung.

But he refused to tell the truth under severe torture.Mao Renfeng had no choice but to ask Jiang Jingguo to let Gu Zhengwen come out and pry open Chen Zemin's mouth.Chiang Ching-kuo invited Wu Shi to Caoshan Hotel, tactfully hoping that Wu Shi would let Gu Zhengwen go and let him serve his crime.Wu Shi had to express his understanding.Wu Shi planned to take advantage of the opportunity of mainland Chinese students working in Zhoushan to return to Taipei for the Spring Festival to learn about Zhoushan's latest defense intelligence. Unexpectedly, the plan was abandoned because Guo Chan, director of the Zhoushan command post, suffered a cerebral hemorrhage.
Gu Zhengwen took over Chen Zemin's case from Ye Xiangzhi of the Second Division of the Secrecy Bureau. From Chen Zemin's luggage and accent preferences, he analyzed that Chen Zemin should have family members in Taiwan.Gu Zhengwen coerced a well-known orthopedic surgeon in Taipei to treat Chen Zemin.