Xu Yunshan, who was originally the daughter of a wealthy businessman, was unfortunately chosen to become the "bridal princess" who went to defend the country. However, the life of a personal maid was even more miserable than that of Xu Yunshan. There was always someone who carried the burden for the powerful, and the maid Qin Huaiyu became the stand-in among the stand-ins.
Concept: A girl, a girl and two growing-up best friends