The video will auto-play soon8Cancel Play now FIND OUT WHAT'S ON NEAR YOU WITH OUR NEWSLETTER Invalid EmailSomething went wrong, please try again later. SIGN UP When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice Warning: Spoilers ahead. In hindsight, the nation's feverish excitement before last night's Line of Duty finale feels a bit silly now. Don't get me wrong, I was caught up in it as much as anyone (well, maybe not quite as much as the people tweeting bizarre theories like Chloe Bishop being Tony Gates' daughter). It was hard not to be tantalised by the prospect of finally getting answers after almost a decade.