What's left of the gang struggle with the endless mysteries in the Lost Caverns, including a gigantic spider, a fountain of eternity, an intricate coffin that seems out of place, and a game of Go that seems too easy.
Bayi, Shirley, and Kaixuan officially team up as the Mojin Trio and lead Bold Ma's gang back to the tomb under the Temple of Leviathan, only to find horrors therein.
Bayi, Kaixuan, and Golden Tooth haggle with Li Chunlai, but the mysterious soothsayer delivers a warning to Bayi. Meanwhile, Shirley prepares to go to Beijing.
With everyone else dead, Bayi, Shirley, Kaixuan, Golden Tooth, and Bold Ma escape from the Lost Caverns, the Dragon Book in their hands. With help from Blind Chen, the Trio trace Mu Chen Gem to the Worm Valley in Yunnan.