Wu Xiha, a banner girl whose ancestors came from Baishan and Heishui, participated in the election as a maid and became a palace maid, and later passed the exam to become a palace maid. Ushiha, who is optimistic and cheerful by nature, has a low status, but still has an optimistic attitude and is a conscientious and dedicated worker. Ushiha is deeply obsessed with his colleague Abu Daha, and Ushiha's grandfather seems to have other expectations for Ushiha's future. . .
At the same time, Ning Zuge, who had been living with her biological mother for a long time, was entrusted by her biological mother to go to Beijing to celebrate her aunt's birthday on the eve of her birthday. Unexpectedly, when Ningzug arrived in the capital, he discovered that his father and aunt had been convicted and their house ransacked. Ningchuge had a chance to escape punishment because he had lived with his biological mother who had been given away as a concubine since birth and was not included in the family tree. Ningchuge was deeply suspicious of the fact that his father and aunt were framed and convicted, so he secretly entered the palace as a maid and passed the exam to become a female officer. As Ningzug went smoothly in the palace, Ningzug discovered that his father's injustice was vaguely related to his grandfather's injustice back then. After entering the palace on duty, Ningzuge, who worked as a clerk and female officer in the Sixth Ministry and the Military Aircraft Department, was low-key and high-profile, and was appreciated by the emperor. He mastered the evidence that his father and grandfather were framed, and vindicated his father and grandfather. But he discovered that his life experience was not as simple as he had expected.
Wu Xiha and Ninchug became close friends, but as Ninchug's true life experience surfaced, the identities of the two parties began to diverge. Can Ninchug continue his precious friendship with Ushiha, and can he still have a happy ending with his lover?
Concept: The ups and downs of life of an unconventional concubine