From her first encounter with John Greywolf, Charlotte Boyer finds herself so enthralled by the passion he ignites in her that it unnerves her almost as much as his ability to pass unnoticed by security cameras and undeterred by locked doors—his shadow walk. Is it at all possible that two men with supernatural powers walk the reservation? Or has she been seduced by the 'skin walker'—part human, part puma, who rapes and savagely kills?