Shen Qingyi, the daughter of the Zhenbei Hou Mansion, originally lived in the border area, and her father and brother had great military exploits. However, due to an unjust case of "collaborating with the enemy", the prince's mansion was raided, the men beheaded, and the women exiled. During her exile, Shen Qingyi was sent to the palace as the lowest-ranking maid of the Huanyi Bureau. She is determined to find out the truth and clear her family's name. In the process, she met Xiao Jingyu, the seventh prince who appeared to be weak and incompetent, and the two formed an indissoluble bond due to an accident.