The book opens with a prologue wherein a storyteller narrates the history of Katook, the book's hero, a small adolescent male Ring-Tailed Lemur. At the time of the storyteller's tale, Katook's home village of Kattakuk was suffering under an extremely severe and lengthy winter, wherein most lemurs are starving. The High Priest who rules them, an Aye-Aye named Gamic, holds a ceremony and collects offerings of figs to try and appease their god, the Fossah. Katook and his best friend later find the priests and their guards eating the offerings. They are discovered and are nearly caught, but Katook is saved by a mysterious appearance of the Fossah, which makes his eyes blue. Katook is caught, and his now-blue eyes are used as an excuse to exile him from his village to a beach on the edge of the