MI5 Weapons Tech Ros Knight (Jeanine Nerissa Sothcott) finds herself unexpectedly called into a Black Ops mission headed up by her Field Agent boyfriend Hugh (Geoffrey Moore). 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 (Ian Ogilvy).