Aang decides to make a short detour to his home, willing to revisit the devastation if it means gaining insight into the Spirit World through reading ancient documents. What will the gaang discover as they read the words of the long dead?

Meanwhile, Mai, Ty Lee, Haru, and the Freedom Fighter set out on their mission, planning to make contact with some friends of Kanna who will transport them to the Northern Water Tribe... but what sort of people would run a ship willing and able to approach the city of ice?