After distinguishing himself by courageously neutralising a terrorist threat, troubled war veteran Police Sergeant David Budd of the Metropolitan Police's Royalty and Specialist Protection Branch (RaSP) is assigned as a principal protection officer to the home secretary, the Rt Hon Julia Montague MP.
Casts:
Richard Madden, Keeley Hawes, Sophie Rundle, Gina McKee, Pippa Haywood, Stuart Bowman, Paul Ready, Ash Tandon, Nina Toussaint-White, Vincent Franklin