In another detour on their way to the North Pole, Aang brings Katara and Sokka to the impressive Earth Kingdom city of Omashu for a little fun. But when the fun turns to chaos, the group is summoned before the King who quickly recognizes Aang as the Avatar. The next day the King forces Aang into a series of bizarre challenges meant to test his patience, focus, and wisdom. But when one of the challenges puts Aang in mortal jeopardy, the test becomes a matter of life and death. The kids wonder if the King is trying to teach Aang an important lesson or if he's just crazy.