After discovering the secret of the Poisonous Snowy Wolverine-Skunk Clan's "spiritual protector", Azula seeks to master the power of lightning-bending from the enslaved twins Lo and Li- while the twin's Masters decide to dispose of Katara with a warrior's death.

Meanwhile, Sangmu gets the gaang out of a sticky situation, and begins to warm up to Sokka.

In the spirit world, Toph has to recover her will to live- while a certain feathery spirit does his best to destroy her and her friends.