Danger in Paradise. The first colonists to reach Tigris thought they had found Eden... but the planet had a horrifying effect on their children. Babies born there developed frightening telekinetic powers at the age of five. No one could control them—and as the changelings grew and became aware of their abilities they initiated a bloodbath of chaos and violence that nearly destroyed the planet. Two centuries after the Lost Generation, Tigrins have learned to cope with their strange planet and its effects. But a new threat is rising. In secret a medical researcher is experimenting with the TK ability. His guinea pigs are stolen children; his object, to extend their powers past adolescence and into adulthood. If he succeeds, Tigris faces disintegration.