Critically acclaimed crime drama Line of Duty returns for its fourth thrilling series and this time DCI Roz Huntley, played by Hollywood star Thandie Newton, is the focus of police corruption investigators AC-12.  

Following its run on BBC One Line of Duty Series Four is set for its DVD release alongside the Line of Duty 1 – 4 Complete Box Set, on 8 May 2017 from Acorn Media International and we have two series four DVD copies up for grabs.  

In a career-defining case, Roz is under intense pressure from her superiors to apprehend a serial murderer after months of fruitless investigation. When another young woman is abducted, Roz is on the scene to track down and charge a 24-year-old man. But doubts around the young man’s guilt lead the chief forensic investigator (Jason Watkins) to AC-12.  

Is Roz ignoring forensic evidence that might prove the young man’s innocence? AC-12’s Supt Hastings (Adrian Dunbar) places DS Kate Fleming (Vicky McClure), undercover inside Roz’s team to dig deeper into the case. With DS Steve Arnott (Martin Compston) piling on pressure from the outside, Roz is forced to act decisively. A mother of two and wife to Nick (Lee Ingleby), Roz will do anything to stop her life from unravelling.  

As suspicions mount and the case becomes ever more complex, AC-12 itself comes under threat.   This fast-paced hard-hitting thriller delves into the murky world of police corruption, and represents great British drama at its best.  

Who plays DCI Roz Huntley?  

Thandie Newton

Olivia Newton-John

Sandi Toksvig

Line of Duty Series 1-4

Line of Duty Series 1-4

Closing Date : 30th May 2017

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And the lucky winners are :

Lara, Avon

Georgia, South glos

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