The final episode of Line Of Duty is set to take place on Sunday evening and dedicated viewers are hoping to uncover the identify of H - the fourth man.
And Martin Compston teased that fans will get some big answers during the finale, as he admitted he believes it could be the perfect ending to the police drama.
The actor, who plays DI Steve Arnott in the show, spoke to the Shrine Of Duty podcast ahead of the last episode this weekend.
Teaser: Martin Compston teased that fans will get some big answers during the finale, as he admitted he believes it could be the perfect ending to the police drama