The orphan Leng Qingyang was abused by the Leng family since she was a child, and was abandoned when she was sixteen years old. When she was about to die, the ancient jade that was close to her awakened, giving her the secret pupil that can see into people's hearts and see the truth. She also accidentally obtained the secret treasure "Xuanji Policy" of the former Xuanji Pavilion. When she was desperate, she came across Su Wanqing, a young minister from Dali Temple who was being hunted by the Salt Gang. She came to help with the help of Tian Ji Tong's incredible ability. From then on, she became friends and stepped into the disputes in the court. During the investigation of the Salt and Iron case, she unexpectedly discovered that the Leng family not only abused her, but also colluded with the Salt Gang and officials in the DPRK. Her ancestors were actually the culprits in the destruction of Xuanji Pavilion. And she is the orphan of Xuanji Pavilion, and she holds secret clues that can overthrow the dynasty. Beidi covets the secret treasure, the conservatives in the court plot secretly, Leng Yuerou's remaining party waits for an opportunity to counterattack, and multiple crises follow one after another. Leng Qingyang joins hands with Su Wanqing and Shen Wenxuan, uses the secret pupil to break through the fog, and uses "Xuanji Strategy" to determine the overall situation. He works step by step amidst the whirlpool of power and the shadow of swords. He must not only find out the truth about the family's annihilation, protect the world's secrets, but also break away from the shackles of fate and take charge of his own path to Phoenix power.