Bai Xian was originally the moon god in the sky, but she was framed by the god's beloved concubine after discovering her conspiracy. Therefore, the god punished her to come down to earth to eliminate ghosts. After Bai Xian descended to earth and transformed into Yun Xiang, she lost the memory of when she was a god. A strange old man saved her. When Yunxiang was 15 years old, she met the fox demon Hu Twelve. From then on, she and Fox Twelve worked together to eliminate evil spirits every day. After experiencing various hardships, Yunxiang finally completed the task given to her by the gods and was recalled to heaven. After turning back into the Moon Goddess, she regained all her memories and recalled an agreement she made with Fox Twelve hundreds of years ago. After Bai Xian got rid of the ghost-turned-beloved concubine, she returned to the human world and fulfilled her agreement with Fox Twelve...
Purpose: To fulfill the agreement with everyone