Shen Tingwan, the illegitimate daughter of the Shen family, was falsely accused and driven out of her home, unexpectedly awakening a super ability that allows her to hear the inner voices of artifacts. She saves Prince Jing Gu Changqing, enters the Prince Jing Mansion to become the adopted sister of the Gu family, and gains the protection of four brothers. Relying on her special ability, she cracks the tribute jade theft case, exposes Shen Wei's framing, and also learns that she is originally of Gu family bloodline. A poison plague erupts in the border city, and the third brother Gu Jingming risks his life to guard Yunzhou. Shen Tingwan goes to the capital to seek treasures for detoxification, and together with the second brother Gu Xuzhi, investigates the old case of official grain corruption from eighteen years ago. After going through assassinations and the joint trial of the Three Judicial Offices, all the guilty criminals of the Shen family are brought to justice. After the catastrophe, the Gu family suffers the loss of their kin, the survivors bear the pain and live their lives well, and the lamps in the West Courtyard of the Prince Jing Mansion stay brightly lit forever.