Following the war, Aang travels to a colony in the center of Earth Nation where friction between neighbors threatens the world's new peace, pitting the Avatar against one of his closest friends.

"Even a Kyoshi Warrior can find herself in trouble. Suki is captured by the Fire Nation and brought to the Boiling Rock, a grim prison in the middle of a dormant volcano. Separated from Team Avatar and her Kyoshi Warrior sisters, she decides to build her own community among other prisoners. But it's going to take more than an encouraging word to build trust among so many frightened people. Suki will need to draw on all her resources to do it, and...

It's sink or swim for Katara! When Team Avatar is suddenly ambushed by the Fire Nation, Katara gets separated from the group. Unable to rendezvous with Aang, Toph, and Sokka, Katara must avoid capture by aligning herself with some unlikely allies! The normally sweet and sensitive Katara will need to explore her tougher side if she's going to reunite with the rest of Team Avatar....