Della Myers, a suburban housewife, lives with her twin children and her abusive husband, Kenneth. On Christmas Eve, she drives to the local mall to buy gift-wrap. In the jam-packed parking lot, she notices an old car taking up two spaces and decides to leave a note on the windshield calling them...
A tender drama unfolds between a grieving father and a troubled teenage girl as they drive northbound along the quiet outback roads of Australia. What she doesn't know is that between stops, he is leaving behind a bloody trail of bodies in a revenge motivated killing spree.