A sailor , Sosuke's son lives a quiet life within an ocean side cliff together with his mother Lisa. One fateful evening, he discovers names her Ponyo, a gold fish upon rescuing her in a jar on the beach and trapped. But she's no standard gold fish. The daughter of a magician along with a sea turtles, Ponyo uses her father's magical to transform herself into a girl and quickly falls deeply in love with Sosuke, however the use of such powerful sorcery induces a dangerous imbalance in the world. As the moon draws nearer to the earth and Ponyo's daddy sends the ocean waves to find his daughter, the two children embark to save the entire world and fulfill the fantasies to become human of Ponyo.