The web drama "Yunnan Worm Valley" is adapted from Tianxia Bachang's novel "Ghost Blowing the Lamp: Yunnan Worm Valley". It continues the plot of "Longling Mystery Cave" and tells the story of an expedition trio composed of Hu Bayi (played by Pan Yueming), Shirley Yang (played by Zhang Yuqi), and Wang Pangzi (played by Jiang Chao) who found out that the rumored life-saving Zhuchen Pearl became a burial object in the tomb of King Xian of the ancient Dian Kingdom, and went deep into the malaria-ridden land to explore the traces of Zhuchen Pearl. The three followed a human skin map through the secret underground waterway of the ancient Dian Kingdom under Zhalong Mountain, but unexpectedly encountered a thousand-year-old magic mechanism. Thousands of "痋屠" made by slaves were hanging upside down on the top of the cave like bombs. When they fell into the water one after another, it triggered a series of jungle prey, and one thing defeated another; the "SOS" code appeared in the jungle at night. Was it the resentful souls of the Flying Tigers who were buried here, or was it a puzzle set by the high priest of King Xian...