John Doe is a serial killer accused of thirty-three murders. On the eve of the verdict, he reports that he wants to give an exclusive interview to the press and asks him to arrange a meeting with journalist Ken Rutherford. He chose this particular person for a reason, but because he really liked his career history. While the angry crowd under the walls of the court demands a death sentence, John tells the journalist his story. The more information Ken learns about the victims of the criminal, the more he plunges into the investigation of his case. Gradually, he begins to understand why John was going to kill ...