Cryptic visits from the spirit of Avatar Yangchen herself lead Aang to discover a jointly owned Fire Nation and Earth Kingdom refinery-operating on land sacred to the Airbenders! Is this the cause of the pollution Aang finds there, or is a more mysterious
Aang and friends must join together once again as the four nations' tenuous peace is threatened by an impasse between Fire Lord Zuko and Earth King Kuei!
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!
