In the later period of the Warring States period, the war was turbulent, and the heroes came together. Among the seven heroes that have flourished for a while, only Qin Guoxiong dominates one side. King of Qin () to dominate the world, launched a crusade war against Zhao princes and other six countries. King Qin's ambition aroused strong dissatisfaction among the princes and knights, and they waited for the opportunity to assassinate King Qin. The Zhao Guo assassin in the sky (), the couple assassin's residual sword (played by), and Feixue (played by) are the most feared by the king of Qin. King Qin issued an order: Anyone who can capture the assassin in the sky can get 20 steps closer to King Qin; kill the remnant sword and the flying snowman can get 10 steps closer to King Qin, and he can be sealed.
Three years ago, the couple assassins Can Jian and Feixue both broke into the Qin Palace and assassinated King Qin, but at the last moment, Can Jian gave up the opportunity to slash King Qin with his own hands; Feixue was puzzled by the move of Can Jian. Since then, the two people have been resentful. Three years later, the nameless knight of the Qin State (played by), who was actually a native of Zhao, joined the assassination of Qin in order to repay the "national hatred and family hatred". He sneaked into the Qin Kingdom, spent 10 years of work, and practiced the best kung fu "ten steps one kill", that is, within 10 steps, he can kill any target.
Wuming came to discuss the assassination of Qin with Changkong, Can Jian and Feixue. In order to let Wuming get close to King Qin, the fellow brother Chang Kong pretended to be defeated by Wuming Sword in the Leuding Chess Hall. An anonymous call for help from Can Jian and Feixue was flatly rejected by Can Jian. Can Jian's attitude aroused even Feixue's dissatisfaction. Can Jian urged Wuming to give up assassinating Qin, which made Wuming bewildered. On the way to Qin Wuming, Can Jian presented Wuming with two words: Tianxia. He also explained that this was a truth he had realized for many years, and King Qin could not be killed. Feixue, who had accumulated deep grievances, could no longer understand Can Jian's discouraging behavior. In order to prove his feelings for Feixue and his expectation for the common people of Sheji, Can Sword died resentfully under Feixue's sword. Feixue was deeply guilty, and finally both fell into the Gobi Desert, leaving the infatuated maid Ruyue (played by) alone in tears.
King Qin summoned Wuming. Anonymous tells the story of the assassination of the three assassins, and achieved the highest level of ten steps to the King of Qin. Wuming seized the opportunity, flying and stabbing King Qin. At this critical moment, Wuming finally gave up. Wuming asked the king of Qin to unify China and put an end to the years of war and historical grievances on the grounds of the common people. King Qin was undecided, and died anonymously in the arrow rain of Qin soldiers like migratory locusts.
