In Qingluan Village, deep in the black land of Northeast China, a strange death broke the tranquility of the village. Lin Jiu inherited his grandfather's mantle and became a new generation of Tang disciples. However, behind the seemingly ordinary career of a doctor, there is a shocking conspiracy that spans thirty years. Huang Xian appeared, the dead soul demanded his life, and the yin and yang conspiracies were staged one after another. As the investigation deepened, he found himself involved in a crisis related to the life and death of the Chuma Xian lineage in the entire Northeast. When the mysterious organization Jiuyoumen appears, and when ancient evil magic comes to light again, can Lin Jiu use his skills to uncover the many fogs and protect this pure land?