A magical fish hidden in the governor's palace is the only water source in a parched land. Han Xiang Zi frees the fish and finds it can take human shape and is the Dragon King's daughter.

Donghai Dragon Girl who is in charge of wind, lost her memory and turned into a fish. She accidentally met Han Miao (Han Xiangzi) , who had a lifelong relationship with her. They were inspired by storytellers and traveled eastward to seek Longmen.Han Miao, an incarnation of Han Xiangzi, one of the Eight Immortals, who helped the daughter of the Dragon King, to "leap over the Dragon's Gate" in a world lack of water.