The heroine is the eldest daughter of the Mo family, from a family of military commanders, and has been practicing martial arts since she was a child. But suddenly, his family was wiped out and his younger brother disappeared. In order to get information and find out the truth, he first sneaked into a brothel under the pseudonym Mo Qing, not to sell himself, but to work as a thug and form his own power. He also pretended to be a eunuch and entered the palace to inquire for information. After being suspected several times, he saved the day. Later, he worked as a chamberlain beside the young prince. What choice would Mo Ruqing make? Choose to support the young prince to ascend the throne, or let the one you love rule the world...