Confronted with sickness, captivity, and the testing of their friendship, Aang, Katara and Sokka labour on with their journey to the Northern Water Tribe. Along the way, they encounter a master Firebender, and Aang tries firebending for the first time...with disastrous results.

Chapter 13: The Blue Spirit:
Out on his own, Aang is captured and held prisoner by Admiral Zhao. But a mysterious man in a blue mask helps Aang escape!

Chapter 14: The Fortuneteller:
Aang, Katara, and Sokka meet a fortuneteller who can predict anything! The villagers become so reliant on her, they're blind to the imminent danger they are all in.

Chapter 15: Bato of the Water Tribe:
Sokka and Katara reunite with an old Water Tribe friend. Feeling insecure, Aang intercepts and hides an important message from Katara and Sokka's father.

Chapter 16: The Deserter:
Aang begins learning firebending techniques and ends up battling Admiral Zhao. Meanwhile, Katara discovers she possesses a special power!