I absolutely love this show. It has everything to offer from that tortured love story to crime, action, betrayel, redemption and much more with all the cliff hangers and thrill to be watched. I absolutely love the original 1920's gangsters and the plot. To be honest it was beautifully written all the way around. For those who have not watched the show and are possibly interested in it do not read forward because there are major spoilers!
The only reason I give it 4 stars instead 5 is because I was completely blown away by Grace and her death. It's great writing and I could be sounding naive but in every show and most movies I've ever watch the greatest story was when the main character true love dies or moves away or some other form of consequence but it would have been really amazing to let them grow and see what a power couple they could have been. I understand the whole idea in the director's head about, Thomas Shelby will never fine happiness. Which again most stories are written that way. Though I do appreciate how apparently Mr. Shelby never found a love like that again. Adds to his torture. Again well written. Other than that. The show is amazing.