Michael and Olivia are a young American couple vacationing in Baja. Their romantic idyll takes a harrowing turn when Olivia is kidnapped by a drug dealer, who demands that Michael smuggle a backpack full of cocaine -- stolen from a rival cartel -- over the border into the U.S. within 12 hours or else Olivia will be killed. As Michael navigates the treacherous Mexican underworld, he becomes a force to be reckoned with.