DNA evidence linked to the Health Secretary’s assassination forces Nikki to face her past in the present. As her investigation progresses, Nikki realises that its consequences will affect her, and her profession, forever.

David Leon, Diane Axford, Emma Beattie, Gediminas Adomaitis, Gina Bramhill, Hugh Quarshie, Jacqueline Oceane, Lloyd Everitt, Matthew Gravelle, Shireen Farkhoy, Tom Benedict Knight, Vera Horton, Will Bowden