The tale opens in the heat of battle as a U.S. convoy is attacked while on a night mission and all hell breaks loose. In a chillingly gruesome scene, Army medic Maggie Swann (Monaghan) faces the task of extracting a large piece of ordnance from a badly wounded but still conscious soldier. Her cool expertise at performing this torturous action shows that she’s a battle-hardened pro. Fortunately for her, it′s her last day in Afghanistan. But next up, she′ll test the maxim that it′s harder going home than going to war.Back in the U.S. at the eponymous fort, Maggie first has to deal with the extreme disaffection of her five-year-old son, Paul (Oakes Fegley), who during her latest tour of duty has been living with her ex-husband Richard (Ron Livingston) and his current wife. Movies War.