Long ago the four nations lived together in harmony. 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. 100 years later, a girl and her brother find a boy in an iceberg and discover he is the Avatar. Ed, the Avatar, goes on and adventure with Nazz and Eddy to defeat the Firelord, Eddy's Brother. Nazz agrees to teach Ed Waterbending. They meet a blind Earthbender named Marie who agrees to teach Ed Earthbending. Then Ed's former enemy, Kevin teaches him firebending, and helps him kill the Firelord.