Idris Elba is back as John Luther, and boy oh boy is it good to see him. 'The Fallen Sun' finally brings Luther to the big screen, as he not only fights for his freedom, but also bringing down the latest threat in Andy Serkis’ serial killer. With some great set pieces and suspense, the film definitely has high points that Luther fans will bask in – there are slight negatives, but overall, this film adaptation is certainly one of the better ones