In a world where magical spirits coexist secretly alongside humans, a young shape-shifting spirit named Luo Xiaohei loses his forest home. Wandering alone and struggling to find safety, he encounters a band of spirits who offer him warmth and companionship. Embracing this found family, Xiaohei begins to adjust to his new life, gaining trust in his fellow spirits and understanding more about the world they inhabit. However, his tranquility is disrupted when he is unexpectedly confronted by Wuxian, a powerful and enigmatic human warrior. Captured and taken away, Xiaohei faces the daunting challenge of navigating this new alliance and understanding Wuxian's true purpose.

As tensions rise between various factions of spirits and humans who harbor different ideologies about coexistence, Xiaohei is thrust into a journey of self-discovery and moral conflict. Torn between loyalty to his newfound friends and the looming responsibility of choosing a side in the broader conflict, he must confront his deepest fears and potentials. The bond that forms between Xiaohei and Wuxian further complicates matters, as they both seek common ground amidst the chaos. This journey tests Xiaohei's bravery, wisdom, and identity as he strives to find harmony within himself and the world around him.