Grandpa's hand holding the compass was still shaking before he died. Blood beads dripped into the "Qing Sang Notes" along the 'Ren' position, turning the four words 'Nine Dragons Locking Veins' red. When Lin Qingnang turned to the last page, cold sweat soaked his back - the crooked line of annotations read: 'The authentic copy of "Zuo Shi" is hidden in Liu Fei's tomb. ' Three days later, Ye Zhao from the Department of Archeology came to the door with half a piece of jade cicada engraved with 'Jiangdu': 'Your grandfather's exploration shovel is at the bottom of the robbery cave. ' When the compass pointer suddenly reversed in the barren mountains, and when the dark wind of the 'Xuanwu Swallowing Qi' formation blew away the dust on the epitaph, Lin Qingnang finally understood that the Feng Shui formula he had memorized for twenty years turned out to be to snatch a coffin containing history from the cultural relics dealer.