The plot was essentially that of Die Hard, but with a hundred times more violence and immeasurably higher stakes. I still liked it. It was suspenseful, there were good people worth admiring, and nearly nonstop action--which is, of course, why most people watch action movies. The bad guys were of the Storm Trooper school: They inevitably couldn't hit the protagonist, played by Gerard Butler, even when he was standing right in front of them. He, on the other hand, rarely missed, even when running and firing behind himself without aiming. As happened in "Olympus Has Fallen," the first movie in the trilogy (this was the second), Butler's character practically saves the world singlehandedly. Typical of such movies. Unlike some reviewers, I don't fault a movie for this kind of nonsense. I mean, how many times has James Bond saved the world? And THIS hero is happily married, not a lecher.
Not much else to stay. Lots of action, and (spoiler alert!) the good guys win.