During the Xuande period, the etiquette system of the Ming Dynasty was as strict as a red wall. Zhao Qingyan, the princess of Zhaoning in Prince Rong's palace, has been with Zhang Yanzhi, the second son of the British prince, since childhood. They flew kites under the pear tree and discussed poetry and calligraphy in the palace academy. Although their love secretly arose, they were trapped in the shackles of the law that "the second son of an honorable noble has no title and is not worthy of the princess". The imperial edict grants marriage, and the red silk seals the marriage for ten miles. She was forced to marry Zhang Yanting, and watched her childhood sweetheart Zhang Yanzhi go to the border and hide her thoughts in a jade pendant; and the love that had been hidden in the dark patterns finally unfolded in the daily life after marriage...