Ailao Mountain is a place full of mystery and terror. Li Mo and a group of four college students took advantage of their vacation to explore Ailao Mountain. What kind of bizarre encounters will they have? Can they uncover the mystery of the dragon? The mystery of the legendary Tusi's mysterious treasure? In the legend of the ancient Ailao Kingdom, was the founder Jiulong really elected king because a dragon licked his back? What is going on with the mysterious fog of sudden death?