In a world where the four elements can be controlled by people known as Benders, the Fire Nation is waging a war to control other nations. The only hope for stopping the brutal war led by them, rests on the shoulders of a reluctant young boy named Aang. The last known survivor of the peaceful Air Nomads and the Airbenders, Aang is the Avatar, Bender of all elements. Aided by a Waterbender named Katara and her brother Sokka, Aang begins a perilous journey to restore balance to their war-torn world.