When Mary MacIntosh does not seek reelection as a prosecuting attorney in Sheridan Wyoming, she is approached by FBI prof or John Douglas to consult with him and the FBI on solving serial murder cases in the United States. John calls Mac to discuss a serial killing rampage in Florida and invites her to consult with him to try to solve this crime. Nine people have been murdered, and the killer leaves a handwritten note pinned to the body as a type of cipher, a copycat to the zodiac killer, and each killing describes a famous person in history that this dead person reminds the killer of. The first is Edgar Allan Poe, next Jack the Ripper, Cleopatra is next followed by Ernest Hemingway. Joan of Ark, Marie Antoinette, Vincent van Gogh, Albert Einstein, and the last victim is a reminder of Marilyn Monroe. Mac and John have to race against time to figure out who this murderer is and why!.