During China's Song Dynasty, A mysterious murder occurs at Chancellor Quin Hui's residence after meeting delegates from the neighboring Jin Dynasty. The members become embroiled not just in a murder mystery, but a larger conspiracy concerning the fate of the empire.

When a rival nation sends troops to invade the Song Dynasty, the emperor sends general Yang Ye (Adam Cheng) to defend the nation. However, Yang's place in the court is shaky due to a feud with Pan Renmei caused by the accidental death of his son at the hands of one of Yang's sons. At the battle, Yang is abandoned by Pan's troops, leaving him trapped in the face of an attack by Yeli Yuan (Shao Bing), an enemy general who wants to kill Yang to avenge his father. After learning about their father's predicament, Yang Ye's seven sons set out to rescue their father at any cost.

The movie tells the story of Bao Zheng, Gongsun Ce, and Zhan Zhao. When the truth about the mysterious case of Baiyun Town surrounded by the enemy was encountered, he encountered many obstacles from General Tang and his deputy. The story of how Bao Zheng and others will choose when the internal and external troubles occur.