Line Of Duty has a lot of answers to deliver in Sunday night's nail-biting finale. From the secret identity of H to Steve Arnott's prescription drug problem and who killed Gail Veller, there have been a lot of mysteries which have been left unsolved.
The latest dramatic trailer vowed: "Every investigation has led to this." Already Martin Compston, who plays Steve, has promised the show will deliver "a lot of big answers" in the last episode of series six.
The actor praised the "great script" on his Twitter and teased the finale in the podcast: "If it goes down well it might be the perfect ending." Speaking on the Shrine Of Duty podcast, he said: "There are a lot of pay-offs coming this Sunday. "There are a lot of big answers that are
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