In the late years of the Tang Dynasty, Emperor Jing Zong loves to hunt, and many foxes from the Mount Li was killed by him. His brother Li Han emphatize the foxes and disagrees with his brother's killings. In his childhood, he met a weasel at the Mount Li, so he decided to revisit the place.
The naive fox spirit Fei Luan is a descendant of the nine-tailed fox, whereas Qing Feng is a weasel spirit. As Qing Feng's mother was the one who raised Fei Luan, the foxes decided to let her stay with the tribe, but she was heavily discriminated against, and only Fei Luan listens to her. One day, they overheard the emperor is about to build a palace at the Mount Li, and report back to the fox clan.