After defeating his sister Azula with your help and Katara's, and Aang, the avatar, having defeated his father Ozai, Zuko was crowned the new Fire Lord and thus stopping the war so that there is peace between the Nations.

He had changed a lot since his father banished them, he had improved to be on a better way by joining the Avatar Gang.

Right now he was in Ban Sing Se at his uncle Iroh's tea shop, he was giving out tea to his friends until he saw you outside looking at the sunset.