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.
Trained in clandestine combat from childhood, the Jinyiwei were masters of the 14 Blades; eight being for torture, five for killing, and the last blade reserved for suicide when a mission failed. An elite force of secret agents with a license to kill, the Jinyiwei devoted their lives and lethal prowess to the service of the Emperor alone. When the Imperial Court is taken over by evil eunuch Jia (Law Kar Ying), the best of the Jinyiwei, Qinglong (Donnie Yen) is assigned to steal a list identifying those still loyal to the Emperor. However unbeknownst to Qinglong, the Jinyiwei have fallen under the control of Jia, and during the mission Qinglong is betrayed and barely escapes with his life. Now as the most wanted man in the land, Qinglong must seek out and rally the loyalists to rise against Jia and restore the Emperor to power. In his way are the deadliest assassins in the land, his former brethren, the Jinyiwei.