2/3 Kane turns on his allies, as he cannot trust anyone in his search for the dragonfire…
1/3 On Iceworld, the Doctor and Mel meet Ace, who has found herself there after a timestorm.
Billy and Ray do what they can to help save Delta and the baby.
Gavrok and the Bannermen have arrived on Earth, searching for Delta.
The Doctor and Mel end up in South Wales along with an assassin and his intended victim...