At the end of the Yin Shang Dynasty, King Zhou was tyrannical and the people were in desperate straits. The God of Heaven and Shen Gong Bao wanted to take advantage of the chaos to destroy the mortal world by using the Ten Thousand Immortals Formation. In order to fight against the evil forces, Jiang Ziya gathers Yang Jian, Nezha and other immortals to join forces to save the mortal world.
The Donghai Dragon Girl (Li Qinyao), who is in charge of Fenglin, lost her memory and turned into a fish. She unexpectedly met Han Xiangzi (Zhang Yuan) who had a long-term relationship with her. During their fantasy journey to help the Dragon Maiden "jump over the Dragon Gate", Han Xiangzi gradually realizes the true meaning of love and human righteousness, and travels east for a thousand years to live up to her deep love.