|The equalists start an attack on Republic City.. Lynn goes with Tenzin to protect his family since they are the last airbenders. She gets captured and her bending gets taken away. Now general Iro, grandson of Zukko, is coming to the city with his united forces military to help fight the equalists. There's also another fleet coming, lead by Tenzin's brother.|
Korra decides to go and fight Aman on her own because she's sick of running.. Macco goes with her, they find Tarlok in jail, and he tells them he's Aman's brother.. Aman was a bloodbender just like him. Tarlok didn't know until after he was captured.. Tarlok/Aman's dad is the same guy who's bending was removed by Aang, and he trained them to learn bloodbending and get revenge. Aman (Noatak) ran away from the family after he mastered bloodbending, and said that he refuses to be his dad's tool of revenge... Tarlok recognized his brother's bloodbending when Aman took his bending away.
... wow, so many twists just at the end of this first season.
Korra tries to reveal Aman as a fraud who knows bloodbending. Aman uses his bloodbending to fight Korra and Macco. Meanwhile, Asami and Boline face off against Asami's father in mechs... Aman successfully takes Korra's bending away.. Macco zaps him with lightning, and then just when Aman is about to take Macco's bending, Korra finally unlocks her airbending ability and knocks Aman away. Everyone sees Aman use waterbending to escape. Noatak realizes he's failed, and flees with his brother.. then Tarlof takes an equalist weapon and causes an explosion that kills them both.
Ktarra tries to heal Korra's other bending abilities, but to no avail... Macco confesses his love for Korra, and Korra rejects him and goes off on her own to cry.. someone walks up to her, she thinks it's Tenzin, but it's actually Aang.
"You have finally connected with your spiritual self. When we hit our lowest point, we are open to the greatest change."
Suddenly, she sees all the previous avatars behind him. Aang touches her forhead, and she suddenly unleashes her avatar state and gets her bending back. Macco sees her, and Korra runs up to him and says "I love you too."
Korra is now able to give other people back their bending, including Lynn.
And that's the end of Book One: Air