The evil Black Dragon Hook feeds on the negative emotions of humans, causing a plague in the human world and sending the Tree Demon Pukui to capture its mortal rival Li Xinyuan. During the assassination process, Pukui was moved by Li Xinyuan's kindness and integrityGradually wavering. In the end, the evil dragon accumulated enough strength and came to the human world to personally kill the destined enemy Li Xinyuan. Pukui was burned to ashes to protect Li Xinyuan. Li Xinyuan was heartbroken and launched a descentDragon Battle.