Fu Zuoyi's troops were ordered to guard Tianjin and Beiping alone, while Mao Zedong had laid a trap for them. Liu Yaldou conquered the Tianjin fortress in 29 hours. Fu Zuoyi, who was caught in a moral dilemma of loyalty and righteousness, faced the toughest decision. How did he come to the path of peace talks? (Source: NetEase History, Author: Shenzhen Satellite TV)