Ever since Avatar Aang's defeat over the fire nation, anger rose within the fire nation, passing passion through generations. After Avatar Korra's death, the search for the new avatar begins in the earth kingdom. However when they can't find them, 4 16 year olds are chosen, one from each element, to fulfill the avatar's duties, but when Nira, Marsin, Jetla, and Ayan discover where the new avatar really is, their responsibilities become much more serious.