A series of destructive acts of sabotage has recently troubled Britain, and it’s up to a group of capable individuals—"Brennan" (Liam Redmond), "Folland" (André Morell), and "Elliott" (Anthony Bushell)—to bring together police, military, and intelligence work to uncover the person or people responsible for these carefully planned events. Roy Boulting assembles these three talented performers with a number of familiar…