"In small-town Deerburbia, Michigan, young superhero Dolphin Girl and her dad, Captain Dewgong, are planning their tropical-themed restaurant, Pizza Paradise. But danger is never far away. One day, while her dad is training her in signature moves (Blowhole cannon! Extreme breath holding!), they get word that their rivals are up to no good. It's time to swim into action! But when Captain Dugong flakes on Dolphin Girl, she must summon her inner sea...