三个年轻的警戒会员聚集到一起,准备把非法移民从边界赶回墨西哥。但是他们随即发现,彼此之间有着必须跨越的鸿沟。Hoping for some quick cash, the buddy triumvirate of David (Benjamin Walker), George (Brian J. Smith), and Greg (Victor Rasuk), self named The War Boys, steal a tractor trailer owned by David's father (Peter Gallagher). The boys believe the trailer contains televisions, but as things go sour, the boys figure out that the cargo is more dangerous than just stolen televisions.