In the spring of 1949, after the victory of the three major battles, the Fourth Field Army followed the order of Commander-in-Chief Zhu and Chairman Mao (played by Gu Yue) to "march across the country". Under the command of Commander Lin Biao (played by Ma Shaoxin), it marched south and directly attacked Huguang. Our army launched a pursuit and annihilation in three routes. One route was the 12th Corps directly taking Changsha, and the second route was the 4th Corps, the 15th Corps and the Guangdong-Guangxi Column to launch the Hunan-Jiangxi Campaign. The 13th Corps of the third route attacked the enemy in western Hubei. Since most of the soldiers of the Fourth Field Army came from the north, it was summer at this time, and they were temporarily unfit for life and diseases were rampant, causing serious difficulties to the troops. Bai Chongxi (played by Tian Jingshan), a general of the Guangxi faction, set up an ambush and our army was damaged for a time. According to the deployment of the Military Commission, the leaders of the Fourth Field Army summed up their experience and lessons in a timely manner, launched a series of important battles, and liberated most of the Central and South China regions. Subsequently, the troops pursued the victory...