Yun Shiyu, a doctor of ethnic medicine, plunged into the mysterious Miao village and set up a live broadcast camera with the goal of using parasitology to "crack" the century-old poison. At first, he encountered the cold eyes of the Gu Master Long Granny and the doubts of the villagers. However, when the "poison" under the modern microscope appears, and when the ancient "gui" ritual coincides with the principle of immune activation, a collision that subverts cognition begins. The live broadcast room was boiling and the villagers were in an uproar, but Granny Long saw another possibility of the wisdom of her ancestors from the test tube. Watch how Dr. Poisonous Tongue reconciles with the stubborn Gu Master, how mysterious rituals are integrated into modern therapy, and more importantly, how science and folklore join hands to draw a "Picture of Secret Patterns of Fungi to Solve Gu" that concerns life and inheritance in Miaoling under the moonlight.
