The young scholar Lin Yu is fascinated by mysterious cultures. He ventures deep into the mountains of Guizhou and into a Miao village, determined to uncover the truth about Miao Gu magic. He expects a straightforward cultural expedition, but instead gets caught up in the village's power struggles. First, he witnesses someone suffering in agony from Gu poison, then he is secretly poisoned himself and left on the brink of death.
In this desperate situation, he fights alongside his kind and courageous guide, A Duo, and meets a mysterious woman named Ling'er. Together, the three uncover a conspiracy hidden in a secret chamber, only to expose a mysterious organization bent on ruling the village. Facing its members' vicious Gu attacks, they refuse to back down. They venture deep into the valley, storm the organization’s headquarters, and face its black-robed leader in a thrilling final showdown.
This expedition is not only a battle against evil Gu magic, but also a test of humanity, justice, and cultural heritage. Can they defeat their powerful enemy and restore peace to the village? How will the mystery of Miao Gu magic be unraveled?