Two women have been murdered within hours of one another near St. Pancras station, but in quite different ways. When a connection is made with two other murders which occurred months before, but also on the same day, DI Thorne realizes two serial killers may be at work in a macabre partnership
| Actor | Role |
|---|---|
 David MorrisseyDI Tom Thorne | DI Tom Thorne |
 Joe AbsolomStuart Nicklin | Stuart Nicklin |
 Jaleh AlpJana Lovik | Jana Lovik |
| FFreddie Annobil-DodooUniformed Copper | Uniformed Copper |
 Lorraine AshbourneRuth Brigstocke | Ruth Brigstocke |
 Claire BenedictMaeve Reynolds | Maeve Reynolds |
 Tom BrookeMartin Palmer | Martin Palmer |
 Aidan GillenPhil Hendricks | Phil Hendricks |