The Doctor is "undercover" at a university, and befriends a young woman, Bill. She notices Heather, who shows her a strange puddle, and soon a chase through time and space ensues.
A murder in Pemberley Woods and an unexpected visitor disrupt the Darcy's annual Lady Anne Ball.
Foyle returns from the U.S. and is soon approached by MI5, who want to recruit him to investigate a Soviet spy ring operating at the heart of the Establishment. Sam's husband has parliamentary ambitions.moreless
Human remains are found splattered over the walls of a flat in in a derelict tower block. DI Craig Hale asks Dr Eve Lockhart and the Body Farm for help. The forensic scientists discover that a blast was responsible for destroying two bodies.moreless