In a small mining colony on the dark and distant planet of Lethe, events are occurring the results of which could dramatically affect things on a universal scale.
The Dreamtime is living Time. The Dreaming is living myth. A city travels the stars, inhabited by stone ghosts. At its heart, an ancient remembrance of Earth.
When the Doctor and Mel visit the National Foundation for Scientific Research as it celebrates its centenary, Mel expects only to be able to catch up with her uncle. She doesn't expect to meet her own ancestors.
On an almost lifeless planet in a remote star system, Earth Colony Phoenix is struggling to survive. The colonists, utterly dependent on transmat technology.
In a run-down asylum, screams echo in the halls as mysterious creatures roam, terrorizing the staff. Patients complain of betrayal rather than illness, and no-one is quite what they seem.
The year is 325AD. In the city of Nicaea, the first great Church council, called by the Roman Emperor Constantine, is due to begin. Here theology, philosophy and politics will be brought together for millennia to come.
Yaranaa - it means literally, the soul of the vengeful - those whose lives have been cut short early and died with empty hearts Millennia ago, the people of the planet Caludaar pledged never to set foot on their sister planet Endarra.
Russia, the near future. The Somnus Foundation knows the fate of mankind; they promise a tomorrow where humanity will evolve into a godlike form of infinite power. They will lead us there, to a destiny that spans the stars.
London, 1851. Scene of the Great Exhibition of the Works of Industry of All Nations. Scene also of a plot to un-seat the government, de-throne the monarch and start a republic. If the Duke of Wellington himself is to be believed.