Earl Stone, a man in his 80s who is broke, alone, and facing foreclosure of his business when he is offered a job that simply requires him to drive. Easy enough, but, unbeknownst to Earl, he's just signed on as a drug courier for a Mexican cartel. He does well-so well, in fact, that his cargo increases exponentially, and Earl is assigned a handler. But he isn't the only one keeping tabs on Earl; the mysterious new drug mule has also hit the radar...