Asami, Bolin and others in “Unfinished Business”

Asami

Mako! Bolin! You're okay. Where have you been?

Bolin

We chased Kai... Train... Slipped away... Lower ring... Slept in trash pile... Met our family... Grandma, tears... Mako's scarf... Earth queen lying.

Asami

Can you interpret that?

Mako

The Earth Queen's been secretly taking airbenders and forcing them into her army.

Korra

She was lying. I knew it I swear, the next time I see her...