The Equalists begin their attack on Republic City.

Korra goes undercover as the war between benders and non-benders intensifies.

The duel between Amon and Korra - will Korra be powerful enough to beat Amon?

When the President of the United Republic refuses to help Korra, she decides to take matters into her own hands.

Korra discovers a way she may be able to defeat the ultimate dark spirit and save the world.

Korra and Team Avatar try to stop Kuvira from moving against Republic City; Kuvira unveils a deadly new weapon.