The little green snake had been practicing hard for hundreds of years but could not transform into another form. When it came out of the mountain, it happened to be rain from the sky, and the villagers mistakenly recognized it as a dragon and worshiped it. Feeling guilty, she accepted the power of faith and devoted herself to helping the villagers solve their problems. Taoist priest Zhang Zhi first came here to get rid of demons. After witnessing her kindness to the people, she changed her mind and stayed in the temple to teach her skills, and gradually fell in love with Xiao Qing. After the real dragon was dissatisfied with the mortals worshiping the snake demon, he caused disasters and slaughtered the people. Xiaoqing sacrificed his life to protect the people. In times of crisis, Zhang Zhi revealed his true form as Lord Zhilan to suppress the evil dragon. It turns out that he came to earth to experience a love disaster, and he had already fallen in love with her. As time went by, Xiaoqing half ascended to the throne of God, and the two of them guarded the Dragon Shrine and stayed together year after year.