11. Who is ‘H’?
This is the big question. Who is ‘H’? Also known as the fourth man/woman.
At this point pretty much the entire cast has been under suspicion at some point, including Hastings himself.
It’s impossible to call but it seems we’re finally going to get an answer in the series 6 finale.
Check out our preview of ‘Line of Duty’ series 6 episode 7 for more clues about what to expect.
Line of Duty series 6 concludes on Sunday 2nd May, 9pm on BBC One and BBC iPlayer.
