Meng Tinghui, a female orphan determined to rise from her humble origins and enter officialdom through the Imperial Examination, crosses paths by chance with the young emperor, Ying Gua, who is traveling incognito. Impressed by her courage and intellect, Ying Gua makes the exceptional decision to appoint her as an official in the Censorship Bureau, where she gradually uncovers a plot by the Blood Moon Society to overthrow the empire and exposes the power struggles within the Imperial Court. Their relationship gradually evolves from a bond between monarch-subject and confidant into romance. Ultimately, they quell the rebellion, restore order to the government, and join hands to safeguard the realm and its people.