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?
| Production | Sam Hoyle | Co-Executive Producer |
| Production | Ben Irving | Executive Producer |
| Production | Andy Pryor | Casting |
| Costume & Make-Up | Ray Holman | Costume Design |
| Editing | David Fisher | Editor |
| Production | Chris Chibnall | Executive Producer |
| Art | Joelle Rumbelow | Set Decoration |
| Production | Matt Strevens | Executive Producer |
| Production | Nikki Wilson | Producer |
| Production | Alex Mercer | Producer |
| Art | Arwel Jones | Production Design |
| Art | Dafydd Shurmer | Supervising Art Director |
| Production | Steffan Morris | Line Producer |
| Directing | Jamie Childs | Director |
| Writing | Chris Chibnall | Writer |
| Sound | Segun Akinola | Original Music Composer |
| Camera | Denis Crossan | Director of Photography |
