When an attack shatters the fragile peace between the spirit world and humanity, Hei teams up with Luye, the last disciple of his Shifu Wuxian, to expose a conspiracy that threatens both realms - and the bond they've sworn to protect.

In a world where humans are destroying the forest and causing ecological destruction, a young spirit named Hei embarks on a journey to protect his home. Along the way, he encounters various challenges and forms unlikely friendships while facing powerful enemies.