During the Taining period of the Eastern Jin Dynasty, the powerful families were intertwined. The orphans of the previous dynasty were dormant in secret. The emperor of the current dynasty was both dependent on and suspicious of the family. Chang'an City, as the political center, is prosperous and peaceful on the surface, but in fact there are undercurrents. The fate of the Yao and Xu families is intertwined in the whirlpool of the change of imperial power.
From the beautiful beginning of the alliance on a rainy night, to the tender years of childhood sweethearts, to the dangers of the jade seal appearing in the world and the exposure of secret talks, and finally the great changes in the family in the fire of Lantern Festival. Yao Xuening went from a beloved daughter to an orphan, and Xu Mingyuan went from a gentle son to a chess piece with the mission of restoring the country. In the baptism of blood and fire, the two of them had to face the torn family hatred, and at the same time protect their true feelings in the game of power. The story will show the struggle between love and responsibility, and the choice between trust and betrayal in troubled times through multiple branches such as court struggles, Jianghu forces, and harem intrigues.