After Korea was destroyed by the Qin Dynasty, the six kingdoms of Shandong launched a joint vertical to fight against the Qin and build the realm of the Six Kingdoms. However, due to internal fighting, the joint vertical plan was repeatedly destroyed; Gai Nie obtained the "first sword manual" Guangling San left by the "Sword God" Nie Zheng, which set off a bloody storm in the swordsmanship world of the Warring States Period. King Yingzheng of Qin cleared the way for hegemony and set up a dragnet to capture Gai Nie, hoping to get Guangling San. The murderous Mrs. Qin tried every means to recruit Gai Nie, even using insidious means, to force Gai Nie into a desperate situation. After experiencing various adventures and tribulations, Gai Nie witnessed the pain and disasters that the war brought to the people of all countries, and made his own choice between pursuing the sword and saving the world.
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