Kyle and Sarah Miller (Nicolas Cage and Nicole Kidman) are minding their own business, enjoying the fruits of his lavish success as a diamond salesman. Well, maybe not "enjoying"--there are hints this marriage isn't exactly fulfilling either spouse. Out of the blue, a gang of jewel thieves arrive to take the couple hostage, find the loot, and threaten their teenage daughter (Liana Liberato) in the bargain.