Sosuke, a young boy, saves a golden fish named Ponyo, and together they set out on an extraordinary adventure of friendship and discovery. When Ponyo’s father, a powerful sorcerer, compels her to return to her ocean home, Ponyo’s longing to become human disrupts the natural balance and unleashes a massive storm. Only Ponyo’s mother, a beautiful sea goddess, can restore harmony to nature and fulfill Ponyo’s dream of becoming human.