Victor Marino of the Inver Grove Heights Police Department is assigned to investigate the murder of a young blonde with the image of a thunderbolt brutally carved on her chest and a butterfly brooch clutched in her hand. As more victims mount up, Marino realizes the thunderbolt is one of the Greek god Zeus' symbols, and that the butterfly means he must look into his own past and his graduate studies in order to identify the killer. And to top it all off, Investigator Marino must not only train the department's newest investigator, Jennifer Solheim, a beautiful blonde, he must also keep her safe, because the killer apparently plans to add her to his list of victims. --P. 4 of cover.