In Mexico, SICARIO means hitman. In the lawless border area stretching between the U.S. and Mexico, an idealistic FBI agent [Emily Blunt] is enlisted by an elite government task force official [Josh Brolin] to aid in the escalating war against drugs. Led by an enigmatic consultant with a questionable past [Benicio Del Toro], the team sets out on a clandestine journey forcing Kate to question everything that she believes in order to survive.