In a magical undersea world where dragons rule and humans are feared, a naive young dragon forms an uneasy alliance with the sea’s greatest enemy – a human girl.

Mickey Mouse and his friends each recall the wild events leading up to the Annual Summer Fireworks Spectacular from their point-of-view.

When Flora rescues a squirrel she names Ulysses, she is amazed to discover he possesses unique superhero powers, which take them on an adventure of humorous complications that ultimately change…