What is the next trend -- the next killer app? This question is very much on the mind of Ursula Van Urden, a burned-out art student who, after her supermodel sister Ivy's widely publicized suicide attempt, has found work as a trendspotter for Tomorrow, Ltd., in the volcano-shadowed metropolis of Middle City. Armed with only a sketch pad and a mandate to find the future, Ursula discovers a homeless girl who hunts her own food and lives on the street...