At fifteen, Rho'naa enrolls at the Institute of Defense. During her time at the institute she undergoes intense physical training, schooling and surgical alterations. Now, five years later, she is graduating and has become a highly intelligent and deadly biological killing machine. Just before her graduation, her best friend is taken captive. Rho'naa's first assignment is to rescue her. A team is formed to accomplish that rescue and she is put in charge. One member of that team is of the Men-gar species, humanities dread enemy. Although half Men-gar herself, Rho'naa has grown up loathing...

Since the destruction of Grogan, life has become peaceful for the demon Meg and her small household. Reluctantly, she is even adding demon daughters to her family. Things are not destined to remain peaceful however, because Lamia has returned to Earth from the dimension where she fled, and she is filled with both hatred and rage. Meg and her family are the focus of that rage.

Grady and his partner Tuyen, contract to fly a passenger, Carson, from Houston to an island off the western coast of South America. The trip is routine until they fly into a sudden storm that nearly causes them to crash. The storm passes quickly but they can't locate the island. Frustrated, Grady flies to the mainland. He is unable to find any familiar landmarks and the seaplane is running low on fuel so they land on a river. The next day they set out on foot to search for help. When they rescue a native woman, she tells them they are in a land called Zumiaand she has never heard of a place...