Once again they are showing some old war pic. It's full of guys with combat paint on their faces running through a rainy jungle and aiming high-powered rifles at each other. But you realize, watching it without the sound on, of course, that the whole story is really some kind of clash of personalities between our two protagonists. Maybe one of them is a traitor, but I think more likely there are some important issues at work here: they just don't get along, or one stole the other's girlfriend, or something like that. Whatever it is, the war (if that is indeed why they are there) is just a story-telling device. You could rewrite the screenplay and just have them be lawyers, or a same-sex couple, or some other rival guys.