Big Fish and Begonia was a 2009 Chinese animated film directed by Chen Kaige, which told a fictional mythical story. The background of the story was the story of the big fish and begonia in ancient Chinese mythology. It told the love story between a huge and beautiful fish spirit and a human. The main character of the story was an immortal named Kun Peng. He was expelled from the immortal world because he had violated the heavenly law. When Kun Peng was looking for a way to return to the Divine Immortal Realm, he met a girl named Haitang Hua. Haitang Hua was exiled to the human world because she violated the heavenly law. Kun Peng decided to help her return to the Divine Celestial Realm. In the process of helping Haitang Hua, Kun Peng and Haitang Hua developed a relationship and decided to return to the Divine Immortal Realm together. However, when they returned to the Divine Celestial Realm, they found that Haitang Hua had been expelled from the Divine Celestial Realm and could no longer be together. In order to win back the heart of the crabapple flower, the Kun Peng did not hesitate to give up his life but ultimately failed. The Big Fish and Begonia was a poetic and emotional animated film that showed the story between humans and gods and the power of love through fictional mythologies.