Gu Xianyu was originally the daughter of a fifth-grade bachelor of the Hanlin Academy. After her father and brother were convicted, they were punished as slaves in the palace.
The fourth princess, one of her former rivals, was getting married. After much selection, she chose Gu Xianyu as her trial marriage maid.
The subject of the trial marriage was one of Gu Xianyu's former rivals - the fourth princess's fiancé, Qin Tunan, the prospective consort of the dynasty.
Purpose: Find ways to change your destiny in the face of adversity