What happens when spies grow older in a post-9/11 world? Sixty-something MI-5 agent Johnny Worricker is brought back into the fray when the MI5 chief brings to light damning evidence of British complicity. It falls to Johnny to do the right thing—And the right thing, in this morally ambiguous new era, is unclear.

Aired: 2/24/2013 | 0:02:41