In a South Yorkshire city, Ryan Sinclair, Yasmin Khan and Graham O'Brien are about to have their lives changed forever, as a mysterious woman, unable to remember her own name, falls from the night sky. Can they believe a word she says? And can she help solve the strange events taking place across the city?
Jodie Whittaker
Bradley Walsh
Mandip Gill
Tosin Cole
Sharon D. Clarke
Samuel Oatley
Jonny Dixon
Amit Shah
Asha Kingsley
Janine Mellor
Asif Khan
James Thackeray
Philip Abiodun
Stephen MacKenna
Everal Walsh