7 episodes

Line of Duty - Series 6

First aired Mar 21, 2021Season 6

Series 6 sees AC-12 facing their most enigmatic adversary so far: Detective Chief Inspector Joanne Davidson, the senior investigating officer of a high-profile unsolved murder.

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Community reviews for Line of Duty, shown here with its season details.

Splinter

Dec 26, 2018

10.0

We were stuck for something to watch on Netflix and hit play for the heck of it. What a pleasant surprise Line of Duty has turned out to be. It's gritty, very well acted and deals with the subject of police corruption and police investigating their own people. The characters are believable and the plots are very clever and at times quite gripping, especially the internal investigation interviews. Those alone are worth watching, as well as the courtroom scenes. I also like the attention to detail that is paid to investigations, where the outcome could hinge on the tiniest element either covered up by a corrupt officer, or missed by an investigator. Compulsive viewing for police drama fans.

Episodes

Episode 1

6.4

Mar 21, 202157 min10 votes

DCI Jo Davidson receives new information about the whereabouts of a suspect in the unsolved murder of investigative journalist Gail Vella. En route to raid the property, she spots an armed robbery in progress and stops the convoy. Suspicious of her motives, AC-12 launch an investigation. Still dealing with the fallout from their explosive investigation into undercover officer John Corbett, AC-12 soon realise they are facing their most enigmatic adversary yet.

Episode 2

7.7

Mar 28, 202158 min9 votes

Having opened an official inquiry into DCI Jo Davidson and Operation Lighthouse, AC-12 begin to suspect a cover up. Steve and Chloe dig into Gail Vella’s controversial reporting for clues to her murder, and find links to previous AC-12 cases. Their investigation takes a shocking turn when they begin to scrutinise Jo's personal life.

Episode 3

6.7

Apr 4, 202158 min9 votes

On the strength of evidence from a new witness, DCI Jo Davidson brings Terry Boyle back in for questioning about Gail Vella's murder. Kate is torn between loyalty to Jo and wanting to assist AC-12's investigation, and tensions increase when Kate encounters a face from the past with links to organised crime.

Episode 4

8.3

Apr 11, 202158 min6 votes

DCI Jo Davidson faces increasing pressure from all sides as AC-12 make major breakthroughs in the investigation, but an attempt to interview a key witness goes horribly wrong.

Episode 5

8.4

Apr 18, 202158 min7 votes

AC-12 link Gail Vella’s murder with a historic case of police corruption, and Kate hatches a plan to tell once and for all if Jo is bent. They are closer than ever to cracking the case, but when Hastings’ authority is undermined it leaves his team in a potentially dangerous situation.

Episode 6

8.0

Apr 25, 202159 min7 votes

As AC-12 struggle to deal with the repercussions of tragic events, Hastings makes one final bid to uncover institutionalised corruption before his time runs out.

Episode 7

7.9

May 2, 202158 min8 votes

With time running out, AC-12 attempt to unmask 'H', the Fourth Man (or Woman) commanding the network of corrupt officers behind the murder of Gail Vella. But sinister and powerful forces appear intent on orchestrating a cover-up.