When a mysterious vehicle follows Aang's group they try to escape but it appears every time they try to rest. They confront it but Azula emerges and attacks and they are forced to run again. The tension grows among them and Toph leaves the group but finds help from an unlikely source.
Meanwhile, Aang tries to draw their pursuers away and finally faces off against Azula. Zuko also arrives determined to claim his prize...
Location: London, England, Earth
Date: 1953 - Queen Elizabeth II's Coronation Enemy: The Wire
In 1953 London, the police are abducting people from their homes. The people of Britain gather around their new-fangled "tele-vision" sets to celebrate the new Queen's coronation - but something strange is affecting the signal.
Russell T Davies discusses the difficulties the writer's faced as they sought to create a 21st-century Doctor, and Mark Gatiss recounts the making of The Idiot's Lantern.
Luke and Comfort find themselves in the middle of a dangerous drugs deal after Sol calls begging them for help. Kelsey and Guppy argue when a patient asks for relationship advice, and Nathan annoys Maggie by talking about his preferred candidate for the consultant position.
