The Waterbending Scroll

After Katara becomes frustrated at Aang's incredible natural ability for waterbending, easily mastering moves it took her weeks to learn, she steals a valuable waterbending scroll from a pirate's ship. Unfortunately, the pirates aren't about to sit around and let their scroll slide away. More unfortunately, after being captured by the pirate crew, Katara learns that they aren't the only ones who want to corner the group.