Yes, at the same time, he fought side by side with traitor Zhou to defend our party's secret organization in Shanghai, and found out and punished traitors. In the end, Qiao Shan, with the secret help of his wife Long Baobao and Comrade Xu Dongcheng, who is an enemy and friend, broke through numerous blockades. After nine life-and-death tests, he delivered much-needed weapons and medicines to the Soviet area, making a special contribution to safeguarding the security of party organizations and supporting the anti-encirclement campaign and national liberation in the Soviet area.