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 the bustling human world, spirits live peacefully with mankind. Luo Xiaohei, a young cat spirit, becomes a nomad after his forest home is destroyed. His natural talent soon attracts spirits and humans alike, but all of them have their own motivations.