In the third year of the Tianqi of the Great Zhou Dynasty, the barbarian "Di Rong" from the northern border united with the tribes in the western region and marched southward, breaking through three passes in a row and approaching the Central Plains. The imperial court was corrupt, powerful ministers were in power, and when the border was in critical condition, Xiao Yunting, the son of General Zhenbei, was ordered to lead the remaining troops to defend the "Iron Gate Pass". At the same time, Jianghu ranger Shen Qingshuang, mysterious counselor Lu Mingyuan, female general Qin Hongyu and others were involved in this war due to their respective fates.
In the intertwining of blood and fire, heroes and tyrants emerge side by side, loyalty and betrayal intertwined. Xiao Yunting grew up in a desperate situation and transformed from a passionate general to a strategizing commander; Shen Qingshuang was burdened with blood revenge, but found redemption in troubled times; Lu Mingyuan worked step by step to uncover the secrets of a dynasty that lasted for hundreds of years...
When the wolf flag of the Royal Court of Di Rong approaches the imperial city, and when the undercurrent of the rivers, lakes and temples breaks out, who can turn the tide? A war concerning the survival of Kyushu has begun.
