Big Fish & Begonia is a visually stunning animated film that tells the story of Chun, a young girl who transforms into a dolphin to explore a mystical realm. Along the way, she discovers the power of friendship, self-sacrifice, and the importance of preserving the natural world. Set in China, the film combines elements of fantasy, romance, and coming-of-age themes.
The story follows Qiu, who is resurrected by a spiritual woman to become the new Beidou Rushenglou. As he carries out his duties, he encounters a young man, and together they face a disaster that intricately links their fates to the world.