MI5 Weapons Tech Ros Knight finds herself unexpectedly called into a Black Ops mission headed up by her Field Agent boyfriend Hugh. When the mission goes fatally wrong, Ros finds herself on the run with a target on her back and must turn to the only man she can trust, her estranged father – legendary retired spy catcher Charles Knight.

When a high-ranking war planner is captured and held in a German prisoner of war camp, a team of specialists take on the dangerous mission of trying to break him out. Trouble is, he doesn't want to be rescued.