Fire, Air, Water, and Earth. Soon after avatar Korra's death, benders became outsiders and unneeded. This power inside soon became a hidden talent that must be concealed to fit in with the new era. Erwin, the CEO of a booming cooperation and leader of this ethnocentric movement started it all. In hopes of making a better world, he imprisoned the benders of all ages to live the rest of their lives in misery. Little does he know cell 268 holds the one who can change everything.