Carlos "El Gato" is a serial rapist who's condemned to the electric chair. Immediately after his electrocution, he makes a deal with Satan and gets resurrected. Carlos begins raping and killing in the name of the devil.
It's a story of a man who calls up a psychiatrist's radio show and recounts how, after being raped by his mother, he went on to kill both her and many other women. He claims it was out of love for them.