Introduction: It is said that there are such a group of people, they know the Yin and Yang, feng shui, understand the painting signs, Ming nangli, can catch ghosts, exorcism, but they are not the disciples of any famous school, but from the folk, the river lake called them the descendants of Lu Ban. For decades, the descendants of Lu Ban disappeared, Xuanmen people all thought that they disappeared in the rolling tide of history, but with the appearance of a named "Yan Shouyi", the Xuanmen world that has been calm for decades, once again set off the turbulent waves......