India, 1947. The Doctor and her friends arrive in the Punjab, as India is being torn apart. While Yaz attempts to discover her grandmother’s hidden history, the Doctor discovers demons…

Devon, November 1967. A little girl has gone missing, Professor Eustacius Jericho is conducting psychic experiments, and in the village graveyard, there is one gravestone too many. Why is Medderton…

As the forces of evil mass, the Doctor, Yaz and Dan face perilous journeys and seemingly insurmountable obstacles in their quest for survival.

On Halloween, all across the universe, terrifying forces are stirring. The life of Dan Lewis is about to change forever. Why is the Doctor chasing Karvanista? What is the Flux?