An Qingxu knew that it was impossible for her to change her father's decision, so she sat in the yard and played the flute, and Pearl heard the sound. She told An Qingxu that it was her decision to enter the palace, because only when she entered the palace could she find out the truth about her parents' murder. An Qingxu suspected that this was his father's instigation and wanted to leave with the pearl, but An Lushan appeared with a bodyguard, and An Qingxu had to give up.