荒凉的澳大利亚原野，一条笔直漫长的空旷公路，一对关系疏离的父子在路上。父亲凯文（雨果·维文 Hugo Weaving饰），一位暴戾而又邋遢的中年男人带着他十岁大的儿子楚克（汤姆·拉塞尔 Tom Russell饰）踏上了这条亡命之旅。为了逃避一起犯罪事件，凯文铤而走险地选择了负罪潜逃。置身澳大利亚寂寥荒芜的沙漠与荒原，两父子不仅要为了生存而与一切未知因素进行抗衡和斗争，更要面对时而紧密时而对立的父子...
On the run from his former employer, a reluctant hitman seeks refuge in an isolated village where he is faced with events that test the true nature of his conscience....