In the Yorkshire Dales, a mysterious signal from space arrives with instructions to build a powerful super-computer. Once completed, the evice's motives provokes discourse between scientists John Fleming and Madeleine Dawnay as further instructions are to create a living organism, which Dawnay develops. The entity compels lab assistant Christine to commit suicide, and, upon manifestation, adopts her form, now known as Andromeda.
The Sheffield family reveal and go through some home truths ...
When disaster hits the Titanic, the Doctor uncovers a threat...
A meeting in a London bus with jewel thief Lady Christina ta...
