The Capture 2x1 - Invisible Men

DCI Rachel Carey is living a lonely, paranoid existence,struggling with thwarted ambitions while seconded to CounterTerrorism Command's 'mapping' department. She's officiallyjoined the highly classified Correction team, but has yet tobe truly let in.When her former colleagues DS Flynn and DILatif bring the case of a man murdered by invisible assailantsto her attention, the stakes quickly become deadly. Carey'sinvestigation brings her into the orbit of hotshot politicianIsaac Turner MP as the case's links to national andinternational security start to emerge. Something is verywrong, but can she work out what before Britain's security isirrevocably compromised?And which of her colleagues can shetrust?