Earth has been conquered, the Doctor and Jack are imprisoned and the Master rules supreme. Can Martha Jones save the world?
One year after the events of “The Sound of Drums”, the Master has conquered the Earth and enslaved its population. He holds the aged Doctor prisoner, and prepares warships for a new Time Lord Empire. Now it is up to Martha Jones to carry out the Doctor’s plan and save the universe.
This episode shows the departure of Freema Agyeman as Martha Jones and John Barrowman as Jack Harkness until Series Four.