When Paula leaves Rio de Janeiro to resume her work as a volunteer doctor in the Amazon, Teto hatches an impulsive plan to follow her and chaos ensues....
When the hospital she works at is transported to the moon, medical student Martha Jones joins forces with The Doctor to hunt down an alien fugitive before the oxygen runs out...
The Ood have given a warning to The Doctor. The Master is returning yet that is not the biggest threat. A darkness is coming which brings with it The End of Time....
