In Yuhu Village at the foot of Jade Dragon Snow Mountain, a nation called Naxi lives. The legend of a piece of sapphire the size of a rice bag has been told for years. However, no one has ever found the piece of jade. Villager Ahao is a weirdo in the village. He has an obsession to find the piece of sapphire. He has been looking for it for more than ten years, before the secret of his father is revealed.