The Green Ghost was a mysterious hero who used tricks much like Ghost Rider to make criminals think they were dealing with the supernatural. He hunts down gangster Sigi and his gang who had kidnapped the son of Fred Miller, an inventor who had designed valuable plans for a television. The gangster warned that if the inventor did not hand over the plans at the cemetery at midnight, his son would be gunned down by a machine gun. Sigi was one of the most notorious gangsters in America and claimed he was not afraid of ghost, however when Green Ghost uses his ghost puppets at the cemetery, he runs scared leaving Miller's son unharmed. However, when Fred goes to thank the Ghost, he has already disappeared.