When their plans for a nature trip go awry, boy friend and Polly Seth opt to check in to a motel. In their way, they truly are carjacked and kidnapped by low-rent crooks Dennis and Lacey, who simply take their SUV and the sufferers . Along the way, they encounter an extremely frightening horde of parasites, and they'll have to outsmart the organisms, in case some one of them plan to live.