In the late years of the Eastern Han Dynasty, Liu Qi, the offspring of loyal and virtuous ancestor, guards a dilapidated pass -- the Pass of Han, in order to escape from the turbulent world. He declares that the Pass of Han is a refuge and it can protect everyone who comes into it. Different forces have arrived here and achieved unbelievable balance. Until one day, the arrival of Geng Zhong, an Army General of Han, who comes the Pass of Han to ask for reinforcement, breaks the balance in this world.......

Seven adventurers including Shanhe were invited to the exploration this time. Yet these unexpected visitors disturbed a huge prehistoric worm in the isolated and dangerous forest where numerous unknown creatures were lurking. As the adventurers were killed by the prehistoric worm one by one, they met a mysterious old lady and the secrets of the worm as well as the Wild men unfolded…...