The Doctor and Yaz arrive in the East End of London, 1926. There’s grief in the air: not only the years of war and sickness, but a more recent death.  A strange message prompts them to investigate the murder of a medium. A young woman whose séances hide deeper secrets – and an unearthly power that threatens the entire city. CAST: Jodie Whittaker (The Doctor), Mandip Gill (Yasmin Khan), Liv Andrusier (Esther), Joseph Arkley (Kidney / Cat-Caller), Anna Crichlow (Nellie / Waitress), Olivia Marcus (Miriam), David Robb (Maltravers / Ironmonger). Other parts played by members of the cast.