In the same vein as Cain and Abel, here we have two brothers, one a renegade cop and the other a murderer with a taste for little boys. The brothers come to blows, from which only one can walk away.

While attempting to flee from the FBI, the criminal Frank Dallio kills Detective McKenna's wife, Rachel. McKenna himself is shot in the face by the professional killer Lyle Mason, who dies in a car crash shortly thereafter. The FBI persuades McKenna to undergo facial surgery and take the place of Lyle Mason in order to find Dallio and a valuable microchip.