A bundle of mysterious slips was unearthed in the Yin Ruins. The Classic of Mountains and Seas is not a myth, but a survival manual with rules and strange stories recorded by ancient ancestors. In order to find out the truth about his sister's disappearance, detective Jiang Xun stepped into a secret world hidden under modern society. Every mountain and every river is a seal of fatal rules; every mythical beast is the source of cognitive pollution. And when he gradually got closer to the truth, he discovered that human civilization is based on the captivity and utilization of these ancient rules.
