Lu Chengyuan, a royal guard in the 17th year of Chongzhen's reign, traveled through the troubled times of the late Han Dynasty because of the fragment of the national jade seal passed down. He split the beacon smoke with a embroidered spring knife, and used Beizhen Fusi's methods to deal with Dong Zhuo, Cao Cao and other princes, build a school and government, and protect Zhongliang, but he was always pulled away by the mystery of his return and the responsibilities of troubled times. When the flying fish suit of the Ming Dynasty meets the character of Jian'an, this knife from the future will eventually carve its own way in the disintegrating world.
