In early '60s Manchester, young Vivien Epstein (Agnes O'Casey) balked at her parents' attempts to arrange a marriage and went to fend for herself in the East End. At the behest of her anti-fascist cabbie uncle (Eddie Marsan), she agreed to infiltrate the operations of neo-Nazi leader Colin Jordan (Rory Kinnear)-and faced dire peril when her cover was blown. Striking miniseries take on the Jo Bloom novel co-stars Tom Varey, Rita Tushingham, Tamzin Outhwaite, Tracy-Ann Oberman. 4 hrs. Widescreen; Soundtrack: English.