David Burke is a small-time pot dealer whose clientele includes chefs and soccer moms. So what could go wrong? Plenty. Twisting the arms of his neighbors, cynical stripper Rose and wannabe customer Kenny, and the tatted-and-pierced streetwise teen Casey, he devises a foolproof plan. One fake wife, two pretend kids, and a huge, shiny RV later, the “Millers” are headed south of the border for a Fourth of July weekend that is sure to end with a bang.