American smugglers intent on running terrorists across the Mexican border don't realize that the extra man they've picked up en route is working undercover to stop them. Or that the man is Mack Bolan and he's dedicated to preventing their treacherous human cargo from ever reaching the U.S.
Partnered with a border patrol agent, Bolan needs to come up with a Plan B fast when their covers are blown...or risk the country coming under a devastating terror attack. The Executioner is setting up his own form of border patrol and no one is crossing without his permission.