In a realm where the moon's glow is a beacon of ancient magic, a young scribe stumbles upon a forgotten legend of the Mid-Autumn Celestial Serpent, leading to a moonlit reckoning that will change the fate of her kingdom....

In a forgotten corner of the Miao-Nan mountains, a young girl discovers a silver thread that weaves together the secrets of her ancestors, leading her on a perilous journey to uncover the truth behind an ancient ritual that threatens to unravel her world....