The innocent fox demon Qing Jin and the snake demon Yi Hen met by chance and lived together on Huaban Mountain for five hundred years. Their original peaceful life was broken by the appearance of an indifferent fox demon Mu Han. After the three of them went down the mountain, various incidents happened and they also encountered various situations. All kinds of people and monsters, there are laughter and tears, and Qing Jin also grows up little by little... Because of love, everyone grows little by little, because they know how to love others, they have a true heart, and because of being loved, they have endless entanglements. Slowly lifting the veil of past and present life, he is her only one forever.