Yin-yang Notebook

The first time he meets this scruffy, silent, enigmatic man, the innocent Mark takes him for a friend - and it is this dangerous move that swirls Mark, a hot-blooded cop, into the unknown and dangerous world of mystery ...... Underground The dark array of the catacombs, the hidden treasure in the ghost buildings on the outskirts of the countryside, the horrible murderous reappearance of the Xuanxin Lake, the bizarre murder cases in succession, and the strange feng shui layout of the cold towns .