In the spring of 1947, Chiang Kai-shek launched a major attack on Communist base areas in Shandong and northern Shaanxi. Mao Zedong (played by Zhang Keyao) strategized and made a strategic decision to withdraw from Yan'an, using the "Kunlun Column" of the central government to contain the main force of Hu Zongnan (played by Wang Zhenjiang). Peng Dehuai (played by Lei Fei) started the Battle of Panlong, captured the enemy brigade commander alive, and captured a lot of money