When Poppy Blair breaks down on a dark stretch of road as she's travelling home from work, she doesn't expect it to be the worst night of her life. Thinking she's been saved a long walk home by a passer-by, Poppy gladly takes the ride offered by the woman behind the wheel. But when Poppy's attacked from someone concealed in the backseat, she's thrown into a fight for her life. What follows makes Poppy question...