The Yin and Yang Reversal of Xuanmen Disputes

My name is Li Heng and I am a Taoist priest. I thought that by doing some small jobs of exorcising evil spirits and reading Feng Shui, I would be able to live happily and wait for death, until I discovered that those upright people from well-known families who talk about benevolence, righteousness and morality are doing dirty things behind the scenes than ghosts, while those evil spirits who are despised by the world have hidden reasons. Yin and Yang are reversed, black and white are difficult to distinguish...