The Republic of China was the era when the martial artists wre at their peak, and it was also the most pessimistic era. Xuantong abdicated, and the current situation was turbulent. Tianjin Wuxing took advantage of the momentum to rise. Mo Shoucheng, the owner of the Xingyi Boxing Gym of the Mohist School, is open-minded and cares about the country and the people. Dissatisfied with the martial arts do not teach the real boxing skills but the art of pleasing the strong ones, so he broke the rules and taught the true skills which made him against his peers. The big disciple around Ji Rufeng hides his indentity, and he is used by the military to set up a terrifying trap by joining forces with martial arts.

When celestial objects merge and strange phenomena occur in the sky, nine dragons drag a bronze coffin through the North Star, a forbidden zone, a burial island, descending to the earth. It is rumored that there is an emperor's treasure buried on the island that can enhance internal energy during training. The leaders of the sects in the North Star and the wanderers want to go to the island to seize the weapon. Among them is Ji Kong, an orphan (played by Feng Lijun). Ji Kong was adopted by his master in the sword house since he was young. His master, noticing his natural talent, paid a high price and forged thousands of swords for the holy land and sent him to the Yunxiao holy land to practice. Ji Kong and his fellow disciple go to the island together to vie for the emperor's weapon and aim for the position of the emperor.

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