New series. A specialist protection officer is assigned to guard an ambitious home secretary who may be the target of a terror plot following her support of a controversial new surveillance bill. The bodyguard's experiences in the army have left him harbouring deep-seated resentments - which may make him a threat to the politician he is supposed to protect. Thriller, with Keeley Hawes and Richard Madden.
Pippa plays Craddock.
Watch on BBCOne at 9pm on Sunday 26th August.