The story takes place during the late Northern Song Dynasty, when the Liao army invaded the Central Plains in large numbers. The emperor was incompetent and used his generals improperly, resulting in constant defeats and the people were displaced and helpless. During the period of mourning for his father, Yue Fei (played by Huang Xiaoming) went to the mansion of Han Xiaozhou (played by Lu Ying), a veteran of three dynasties, to be a guard. While teaching martial arts, he dabbled in military politics. His master Zhao Jiuling valued him very much and thought he was a great general of the Song Dynasty that could be cultivated. Soon, Jin Wushu led his troops to invade the south and approached Bianliang. His mother-in-law Yao (played by Zheng Peipei) sent her son to the war. Before leaving, she tattooed the four characters "Loyalty to the Country" on Yue Fei's back. At this time, Qinzong ascended the throne, and Zhao Gou (played by Ding Zijun) and Qin Hui (played by Luo Jialiang) formed two factions in the court. Zhao Gou advocated war, while Qin Hui advocated peace. The main battle leader Zong Ze (played by Lu Yong) set up a martial arts competition arena to recruit talents from all over the country to serve the country. Xiao Liang Wang (played by Liu Enyou) was instigated to kill martial artists from all sides in the arena. Yue Fei arrived in time and challenged Xiao Liang Wang with a gun...