In the world of Shan Hai, rare treasures and exotic beasts abound, with small nations of diverse customs scattered like stars across the land. Tianyi and Xiaoyu have lived with their master, Dijiang, in the Cloud-Central Mountains since childhood. Though far from the bustling mortal world, they find joy in their simple life. Suddenly, one day, the long-lost Heaven-Mending Spirit Stone reappears in the mortal realm, stirring both the Heavenly Emperor and the malevolent beast King Qiongqi. The Shan Hai world is once again on the brink of catastrophe due to the struggle over the spirit stone. To save all living beings, Tianyi volunteers to descend the mountain and prevent King Qiongqi from obtaining the stone. Along the way, he meets the immortal Uncle Shen, Big Guy, and Taozi, embarking on an unprecedented adventure. Ultimately, upholding the belief in justice, he defeats King Qiongqi and restores peace to the Shan Hai world.