After Ke Shizhao learned of the evil slave's report, he hatched a conspiracy and planned to expose Du Bingyan's false identity.He sent capable men to Yangzhou and made sure to bring back the Du family and his son.The emperor received Yuan Buqu's request and allowed him to visit the tombs of his ancestors and invite Princess Changping to travel to Mount Tai.After Princess Changping learned about it, she pestered her father to go to Mount Tai to play. The emperor reluctantly agreed and let her go with the eunuchs and imperial guards.During the journey, the princess punished the evil magistrate Kong, and also made many jokes, leaving the eunuch and her father dumbfounded.After the group arrived in Tai'an, the princess was eager to climb the Nantianmen, but under the persuasion of “father”, she decided to meet Yuan Buqu first and then climb the mountain together tomorrow.