In the shadow of the end of the late Tang Dynasty, Fang Xuanling's distant descendant Fang Xiuyuan used his family's influence to become an official in Lantian County, and partnered with Li Lang, a scholar's son who had abandoned his official career. Under the guise of Xuanzong's "revival", the two faced bizarre cases such as orphaned souls in mass graves and evil spirits in inns. They explored the truth in the strange mystery and uncovered the fantasy and treacherous picture of the dying days of the Tang Dynasty.
