
Line of Duty — Season 5
If you think catching criminals is tough, try catching police officers.
About this season
Series 5 follows the actions of Superintendent Ted Hastings, D.I. Kate Fleming and D.S. Steve Arnott as they investigate an Organised Crime Group with links to missing undercover officer D.S. John Corbett.
Episodes (6)

1. Episode 1
8.6Aired 31 March 2019 • 58 min
Following the deadly hijack of a police convoy, AC-12 target a ruthless organised crime group known to have links with corrupt officers.

2. Episode 2
8.6Aired 7 April 2019 • 58 min
Kate and Steve attempt to track down a lead. A fresh police leak enables another audacious raid, while Steve’s attempts to gather information put him in a dangerous situation.

3. Episode 3
7.5Aired 14 April 2019 • 58 min
Corbett's most daring plan yet requires McQueen to exploit links with corrupt police officers.

4. Episode 4
8.8Aired 21 April 2019 • 58 min
Tensions rise in the OCG following the events at Eastfield. With troubling questions hanging over the identity of ‘H', suspicions mount at AC-12.

5. Episode 5
8.7Aired 28 April 2019 • 58 min
As the hunt for 'H' intensifies, Steve and Kate wonder if Hastings is guarding a dark secret.

6. Episode 6
8.7Aired 5 May 2019 • 84 min
In a nail-biting 90-minute finale, Hastings's secrets are laid bare. Will 'H' be revealed at last?