Robinson (Wes Bentley) is a peaceful, law-abiding citizen, until his wife Elizabeth (Emmanuelle Vaugier) witnesses a murder. The executioner is Jimmy Dolan (Christian Slater), Las Vegas' most ruthless and untouchable mob boss. When Elizabeth, agrees to testify against Dolan, she is hunted down and murdered. Haunted by the ghost of his wife, Robinson transforms himself into a vengeance-obsessed machine. He pushes himself beyond breaking point in mind, body and spirit as his man-hunt for Dolan begins. When the two men meet in the searing heat of the desert they fight an ultimate duel to the death. The cadillac which has been Dolans armour, may soon become his tomb.