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A murder is investigated by both sides of the line, cops and criminals, using opposing methods. But the real line is the morality within each person and how far they will go before they cross it.
Release
2011-05-05
Seasons
1 (2011 - 2011), 7 episodes
Network
BBC Two
Creator
Director
Original language
English
IMDb
imdb.com/title/tt1701920/
Homepage
bbc.co.uk/programmes/b0111dqc/