Book 6, PlanetFall. After weeks of uneventful flight, the Aidennians voyage is interrupted as Pod 4 is abducted while en route back to the remnants of The System by the slipstreams of a gravity well. The Aidennians find themselves in orbit around a world that is peaceful, lush, a near paradise; it has all the markings of a bio-experimental laboratory. Another Saarien podship and one of its crew are discovered. Eden turns to terror when an alien eugenics project is unveiled. Escape to the planet of Sheey suddenly loses its entire splendor when the ravages of the Tauron Occupation are revealed. Moela becomes ill due to her pregnancy while Retho and Nicraan partake of Ka-Manos. Seditionists are continuing with their covert plans to overthrow the Echelon regime, plotting which threaten the imminent annihilation of all Systemites, especially the Aidennians.