In the deep alleys of Chang'an, the green lights are swaying, and there are always figures wandering around in the middle of the night. A bizarre complaint from a dream brought the silent Dali Temple to the forefront. The body of an unknown woman was found in an abandoned well, with the marks on her neck as thin as a hair; wealthy people were stolen one after another, and the stolen items turned out to be personal belongings of the deceased; the sound of chanting came from the deserted temple in the middle of the night, but when I opened the door, I saw the ground was covered with incense and ashes, and there was no one there. Holding half of a broken book, he walked in the gap between yin and yang, uncovering not only unsolved cases, but also the greed, anger and obsession deep in people's hearts. When the truth was peeled back layer by layer, he discovered that behind all the strange events, there was a dusty past, and the answer he was looking for was already closely entangled with his own destiny.