The core of the theme: Taking Yue Fei's spirit of "loyalty to serve the country" as the soul, it tells an epic story in which the survivors of the Southern Song Dynasty took "Wu Mu's Legacy" as the core clue, united with the knights of the rivers and lakes, and the righteous men of the grassland, to continue the legacy of loyalty and bravery in the troubled times of the Song and Yuan Dynasties, and to protect the Chinese culture and the common people.
