Male protagonist Zhu Xiaoliang, like everyone else, drifted onto a desert island. He was fortunate to be acquainted with Bajie, as well as Jin Zong and A Lan, among many other good friends. They joined forces to build up the desert island together. One day, Zhu Xiaoliang's beloved dog Niuniu delivered the golden key to the treasure, and people from other islands cast their eyes on this key. They sent Xiaowan to Zhu Xiaoliang in an attempt to get news about the treasure.