The city-state of Estra is thriving port. ruled over by a Sultan who finds relief from the pressures of power amidst a select bevy of intimate Companions. Carria, a mysterious and striking young woman, has to pass the schooling and selection, run by the Sultan's mistress J'nie. The training is very rigorous, and discipline is maintained with a firm hand. Carria, however, has her own agenda. When it comes to fruition, nothing in Estra will be the same again.