In the late Qing Dynasty, the biological expedition team led by Qin Xiaofeng's father was attacked by a mysterious dragon, and all the members were missing. His father's close friend Xu Yuansheng offered a huge bounty to recruit a mixed group of dragon hunters into the mountains, and Qin Xiaofeng went with him to find the dragon and save his father. Along the way, strange things happened frequently. The dragon hunters narrowly escaped death under the crazy predation of the giant octopus monster. In the wilderness secrets, they encountered crises such as ghosts haunting ancient trees eating people, corpse ticks sucking blood and dragons hunting, and fear made them kill each other. Qin Xiaofeng and others were kidnapped by a mysterious tribe in the chaos, but they accidentally learned about the revenge hidden in this dragon-slaying trip. What is waiting for them, an evil dragon or a divine dragon? Who is the mastermind behind this brutal massacre? A catastrophe of confrontation between humans and dragons is about to tear open the mask of conspiracy...