Patricia Crane, a photographer is attacked by Ivory Hunters and saved by Ranger Cary Welles just in time. The Ranger soon  realized the young woman is an activist who is searching for her kidnapped friend Debby and her lost leopard. Susan suspects botch are held in the Jungle Kingdom of the mysterious Kind Munsa, the Horrible Canibal King. Susan suspects King Munsa to be the head of the Ivory Hunters, but she soon learns, why Munsa is called: The Horrible!