The prodigal son of Xuanmen, who is familiar with Fengshui and easy to count, travels around the world, crossing the four seas, and experiences too strange and mysterious, it is: wind, thunder, fire, hexagrams and earth lines move, who is the same as the four seas? Zuo Zong. Three thousand hills and ravines to watch young phoenixes, eighty thousand stars to identify real dragons. Fang Shiyin has gone and come again, telling people about the mysterious paper and ink.