After a string of deadly robberies in the sleepy town of New Rio, Arizona, Buck searches relentlessly for a ruthless gang of bank robbers with the help of Rachael, an FBI agent. Their investigation leads them to a street gang in Los Angeles, a crime syndicate in Chicago, and to a bank robbery in Denver, all the while, falling for each other. Buck and Rachel get more than they bargained for in this tale of greed, mayhem, and murder, in an investigation that may just lead them to the biggest cartel in Mexico and the drug bust of a lifetime.