Lingxi was deeply loved by Prince Jing's father right after she was born. She unexpectedly discovered that her voice could be heard by her father. The palace is surrounded by dangers, some people are hiding evil intentions and plotting to frame the palace, and the full moon banquet is even more turbulent. Lingxi, who was still in her infancy, relied on her voice to give early warning and informed her father of the plot one by one. The father and daughter worked together to see through numerous traps, protect the peace of the palace, and finally eliminate the evil spirits and live a stable life.
