Eggs of the small but voracious alien creatures called Crites are left behind on earth and, after hatching, set their appetites on the small farm town of Grover's Bend.Eggs of the small but voracious alien creatures called Crites are left behind on earth and, after hatching, set their appetites on the small farm town of Grover's Bend.Eggs of the small but voracious alien creatures called Crites are left behind on earth and, after hatching, set their appetites on the small farm town of Grover's Bend.