long ago the four nations lived together in harmony. but then, everything changed when the fire nation attacked. only the avatar master of all four elements could stop them, but when the world needed him most, he vanished. a hundred years passed and my brother and i discover the new avatar. an airbender named aang, and although his skills are great, he still has a lot to learn before he's ready to save anyone. but i believe, aang can save the world.