At the end of the Tang Dynasty, there was a plague in the area of the East Sea and the people were suffering. In order to save the common people from their plight, Han Zhongli and Tieguai Li met by chance. To save the people, they decided to gather medicinal herbs on Medicine Island, to the east of the East Sea. However, things did not go as planned when Manglong, the Dragon Prince who had grudges against the two immortals, tried to stop them. A fierce battle ensued as both parties could not reach an agreement and in the end, the Dragon Prince was killed...