Six-part ITV crime drama starring Karla Crome, Laura Haddock, Rob James-Collier and Noel Clarke. The series follows D.S. Nancy Devlin (Crome) as she investigates the murder of a drugs trafficker in Brighton. What none of her colleagues know, however, is Nancy's loyalty to criminal haulier Frank Le Saux (Philip Glenister) led her to witness the trafficker's death. With both the force and the perpetrator unknowingly searching for her, the key witness, Nancy's two disparate lives begin to intersect as she tries to help her team find the killer without exposing her own role in the crime. As the detectives close in on the killer and the investigation gains publicity, will she make it out of the process with her reputation and career intact?