In order to find the whereabouts of the Luo Zhen Ring and Qi Sha Tian Ling that fell into the valley of the Demon Ridge Mountain, Tang Buhuan and others searched at the bottom of the valley, but they mistakenly entered a vast cave where strange plants grew. Xing Hai, a demon girl who was blocked from her ambition to revive the demon god, teamed up with the evil sect "God Locust Alliance" in Xiyou and once again set up a net to stop Lin Xue Ya and Tang Buhuan!