Avatar: The Last Airbender Season 1 Episode 16 : The Deserter

The protagonists travel into a Fire Nation town, which is hosting a festival of Fire Nation culture. Unfortunately, Aang's identity is discovered, but a strange man helps the gang escape. This man, named Chey, tells the trio about "the deserter", a man named Jeong Jeong who is the first man to desert the Fire Nation army and live. More importantly, he is a firebender who is not allied with the Fire Nation. However, Jeong Jeong refuses to teach Aa...