The emperor was delighted to see the little princess An Ning, but unexpectedly heard her voice. He learned that of the twelve princes and princesses in the palace, only An Ning was his biological child, and the rest were not of blood. He immediately sealed the palace gates and summoned all the princes and princesses. An Ning's voice kept telling the stories of the biological fathers of the princes and princesses, as well as the plans of the concubines in the harem. The arrogant second prince took the lead in attacking, and the emperor's face was gloomy. The drama of liquidation of the royal bloodline has officially begun. What will be the fate of the concubines and princes, and how will the emperor deal with this royal scandal?