You know all those "begats" in the Bible? Well, Treadstone did some begatting of its own - and this entry into the Bourne series lets us in on those projects. Some main players from the trilogy are here, bringing continuity. Character development yields to action, and there's plenty of action. Let yourself get caught up in it, and you'll be surprised that two hours could pass so quickly. Works best if you can put the trilogy out of your mind and view Legacy as a stand-alone action movie.