On the mountainside of Huang Qishan, Jieyang, Guangdong, there is an ancient tomb with the inscription "Tomb of Moon Capacity". A woman, Huang Yuerong, who was only 18, was buried in the tomb. There is a strong incense in front of Yue Rong's tomb, and people come to worship every day in an endless stream. The legend about the moon's ability is widely circulated in Chaoshan area.

According to legend, Huang Yuerong was born in Yangzhou, his parents died young and lived alone in Yangzhou Guangji Pharmacy. Huang Yuerong is beautiful and talented, and she became famous in Yangzhou as a teenager. Everyone in Yangzhou knows that there is a strange girl Huang Yuerong with both talents and looks in Yangzhou Guangji Pharmacy.

During the apocalypse of the Ming Dynasty, Feng, a native of Cixi, Zhejiang Province, was admitted as a scholar and was appointed as the magistrate of Jieyang County. Feng goes to work by Yangzhou. When he heard the story of Yuerong, he disguised himself as Guangji Pharmacy. He wants to see with his own eyes what kind of strange girl Huang Yuerong is.