The Jingkang war burned down Bianliang. Guo Muchen, a young man from the Taishi Bureau, carried his father's will and a half-volume bronze star chart engraved with the word "Tianfu" to prop up the crumbling candle of civilization in the crowd of people crossing south.
When the palace collapsed, Zhao Qingwu, the daughter of a secretary in the Secret Pavilion who pretended to be a bookkeeper and fled south, hid the national history documents. In the troubled times, she and Guo Muchen met among the ruins. From mutual suspicion to sharing life and death. Xiao Yunye, a knight-errant in the Jianghu, is responsible for the secret of the "Golden Wind and Drizzle Tower". He followed the traces of an ancient Pan Chi jade, and the three of them traveled together in a world where the iron hoofs of the Jin soldiers and the undercurrents of the Southern Song Dynasty intertwined.
In the smoke and dust, while they were trying to decipher the lost astrological secrets behind the "Tianfu" copper piece, they were repairing the shattered books and utensils with their hands in the cracks of the crumbling building. What is more difficult to regain than the motherland is the inch of water and soil in people's hearts that has not fallen.
Mountains and rivers may change, but friendship remains forever. If the water is deep, it is as motionless as a mountain.
