Chen Shisi, a beggar boy at the foot of Beimang Mountain, was stealing food on a freezing night when he accidentally saved a delirious old Daoist who was on the verge of death. In return, he received half of the "Book of Netherworld Meridians" and nine bone needles. Ten years later, he used the "Ghost Wail Needle" to pierce the Shanzhong acupoint and revive a female corpse at the City God Temple, only to be swept into the cataclysm of "Yin and Yang Upside Down" in the Eighteenth Level of Hell. When the Judge's brush crossed out his remaining years from the Book of Life and Death, Chen Shisi discovered that he had been born without three hun and seven po. The ultimate secret of the Nine Ghost Gate Needles was, incredibly, connected to the same source as the Nine Netherworlds Dark Iron in King Yama's crown. From the Yellow Springs Inn to the Mirror of Retribution, from Meng Po's cauldron of soup to the walls of the City of the Wrongfully Dead, this forsaken child of the living world stirred up a storm in the underworld. Only when he pierced his own skull with the ninth needle, "Yama's Sigh," did he discover that the plague a hundred years ago, which killed both his parents, had been the underworld's greatest lie to the human world…