Following its return to BBC earlier this year, all six series of Jed Mercurio's critically acclaimed crime drama Line of Duty are making their bow on Blu-ray. Following the explosive exploits of police corruption unit AC-12, the bumper 12-disc Line of Duty: Complete Series One to Six Blu-ray boxset hits the streets on July 12 courtesy of Acorn Media International. To celebrate the release we have one boxset to give away to a lucky reader!