Watch: Line of Duty series 6 action-packed finale trailer released

Are you on the edge of your seat for this coming Sunday's last episode of BBC hit show Line of Duty?
Ted Hastings (Adrian Dunbar), Steve Arnott (Martin Compston) and Kate Flemming (Vicky McClure) all star in the action-packed clip. (BBC)Ted Hastings (Adrian Dunbar), Steve Arnott (Martin Compston) and Kate Flemming (Vicky McClure) all star in the action-packed clip. (BBC)
Ted Hastings (Adrian Dunbar), Steve Arnott (Martin Compston) and Kate Flemming (Vicky McClure) all star in the action-packed clip. (BBC)

A 30 second fast-paced trailer for the final episode of season six has been released, which hint towards the AC-12 unit finally discovering the identity of 'H'.

Ted Hastings (Adrian Dunbar), Steve Arnott (Martin Compston) and Kate Flemming (Vicky McClure) all star in the action-packed clip, which also shows Jo Davidson (Kelly Macdonald) in the back of a prison-transport van, which appears to crash, alluding to a possible ambush attempt.

Will you be watching? Who do you think will be uncovered as 'H' - the fourth man? Or could it be woman?

Catch it on Sunday, BBC1 at 9pm to find out!!