There's only one witness to the murder of the Addams family, and the disappearance of Ashley Addams. Good news: master detective John Jones has tracked the witness down! Bad news: the witness is... an iguana. Can even John's Martian telepathic mind withstand contact with a primitive animal? And in his past on Mars, the fiery plague of H'ronmeer's Curse is creating a desperate situation... how far will J'onn J'onnz go to keep his family safe?