First Mai and zuko brake up. Mai runs away and never is seen again. Aang has weird dreams during the night. It shows a girl with an arrow on her head saying to meet her at the north air temple. her name is Keya. Aang gets the group together and they head for the temple. When they go they find the girl. She looks at them and says,
" Ahhh. its about time. Zuko, aang, katara, sokka and toph.''
they are surprised of this. for they haven't meet her before. She tells her story. She was from the northern water tribe. Very powerful water bender. Then when aang was killed by azula when azula shot lightning...