Taking the prosperity and hidden corruption of Chang'an in the prosperous Tang Dynasty as the stage, through a series of bizarre murder cases that appear to be demonic but real people, an undercurrent of political whirlpool is drawn out. In the process of pursuing the truth, the protagonist group not only had to face treacherous case techniques, but also had to withstand tremendous pressure from the top level of power. In the end, after paying a heavy price, they maintained a glimmer of fairness and justice in the cracks of history, revealing the essence of "man-made disasters in the name of monsters." Its worldview is rich in details, full of contradictions and tensions, complex network of characters, and prop settings with Tang style characteristics and a sense of historical suspense. Branch stories provide space for in-depth exploration of supporting characters and expansion of the world view. On the whole, it strives to tell a gripping, thought-provoking and suspenseful political story against a historical background.
