When a domestic mission goes quite spectacularly, if quite innovatively, wrong the enthusiastic but somewhat naive FBI agent "Kate" (Emily Blunt) is offered a chance to sign up for a team that's going to avenge things. It's to be run by "Graver" (Josh Brolin) and feature the strong, silent and enigmatic type that is "Alejandro" (Benicio Del Toro). She doesn't much like the look of him, indeed she finds the whole operation a bit dodgy but off to El Paso they go to try to stop the war against the increasingly well armed and successful drug cartels. Their objective is not to tinker with the mecha...