New Song Dynasty: Jianyan Changge

Zhao Gou, a modern graduate student majoring in Song history, has the same name as Song Gaozong. After sighing in front of the Yuewang Temple, "If Zhao Gou had not escaped, negotiated peace, and killed Yue Fei," his soul traveled back to Song Gaozong who had just ascended the throne in the first year of Jianyan (1127) and fled south to Yangzhou. He called a halt to the southward flight, collected the defeated troops, united with Zongze and other main war factions, quelled the Miao and Liu rebellions and stabilized the situation in the DPRK; he led the army to resist the Jin army's national-destroying southward invasion of "searching mountains and seas", and achieved great victories such as Huang Tiandang and Heshangyuan. Line of defense; then eliminate internal bandits, implement military, political and economic reforms, and train a strong army with counter-offensive capabilities; launch the Four Northern Expeditions to regain the Central Plains and Yanyun, attack the Jin Kingdom and Xixia, and reestablish the order of the Tiankhan in the grasslands