讲述老警探詹姆斯·奈特（布鲁斯·威利斯 饰）致力于守护洛杉矶的安宁，万圣节前夕，一群蒙面匪徒在城市作恶、重伤奈特的搭档。为了缉凶，奈特一路追缉劫匪到了纽约，在那里，他的往事也将被揭晓，他必须在救赎的同时自我救赎。

In a dilapidated cyberpunk city plagued by crime and corruption, an unscrupulous District Attorney is savagely murdered and tossed out of a building onto his brand new car. 　　Mysteriously, the District Attorney and his car come back to life as a single being with a thirst for vengeance. The eerie driverless car embarks on a vicious rampage exacting revenge on the criminals who mu...