In the celestial realm, a playful fox named Yo-rang shirks important duties to indulge in mischief and amusement. When a momentous festival celebrating the completion of the revered 'Book of Wishes' takes place, Yo-rang's antics lead to the book's disappearance, unleashing a malevolent black fox's dark powers upon heaven. Taking responsibility, Yo-rang embarks on a quest to retrieve the lost book and crosses paths with Kang-hyun, a boy who recently relocated to Fox Village with his father after his mother's passing. Together, they brave the black fox's interference, facing countless challenges that test their bond. Through adversity, Kang-hyun and Yo-rang forge a lasting friendship, triumphing over adversity and strengthening their connection.