At the Doctor's request, Sergeant Benton is investigating ghosts and missing people in Kettering, while undercover as a local councillor
And that's how he comes to meet Margery Phipps.
An alien incursion in the town hall leads them on a journey to a terrible future – where Margery discovers how she changed a world, and the life of a whole civilisation hangs in the balance…
Written By: Simon Barnard and Paul Morris
Directed By: Lisa Bowerman
John Levene (Sergeant Benton), Sinead Keenan (Margery Phipps)