When cat spirit Luo Xiaohei's home is deforested by humans, he must find a new one. He runs into a group of other spirit creatures who take him under their wing with dreams of reconquering the land they say is rightfully theirs. However, they run into a human known as Wuxian who separates Luo Xiaohei from the other spirits and the two go on a journey, with the cat spirit learning to control his abilities as well as forming his own thoughts on whether or not he should ally with the spirits or the humans.

Atop the ruins of war, top commander Jiang Ziya is given the task to banish the Nine-tailed Fox Demon who threatens all mortals' very existence. When he discovers the Nine-tailed Fox's life linked to the soul of an innocent girl, he is faced with a challenging decision: follow the will of heaven or find his own path to righteousness.

In a multiverse called the Datasphere, the info corresponding with the real world is stored. Among them, the cultural relics and data carrying the info of the human civilization finally awakened their self-awareness. Thus the Mystic Spirit Clan established a guardian alliance - the Kingdom of Secret Treasures.