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.
The film is based on the story of the formation of the Red Army intelligence advance team when the leaders of Guizhou Province went to Beijing in 1964 to ask Chairman Mao to write the "Zunyi Conference Site". The small team overcame numerous difficulties, fought with the enemy wits and bravely, and finally obtained valuable information and time for the Red Army with a weak force, thereby winning the victory at Loushan Pass and reversing the shocking story of the Red Army’s passive situation in the Long March.
