The group was left reeling after the shocking death of Danny at the hands of hostage-takers as the last season concluded. Now Adam, Harry, Ruth, Fiona and rising star Zafar set out to become even stronger in their battle to safeguard the nation. An action-packed season opener leaves MI-5 with only 48 hours to prevent a catastrophe. and Adam faces one of the most difficult choices of his career in order to save a hospital from devastation: will he be forced to let a brave and innocent young woman die?
This exclusive five-disc set contains the complete, original British fourth season of the riveting spy drama, including the two part special. Also included are over 90 minutes of bonus material, with a behind-the-scenes featurette, interviews with cast and crew and more!