It never rains in the tiny desert town of Dos Hermanos, California ... until the day when the skies open up and it begins to pour. Now it just ... won't ... stop.Streets flood. Buildings collapse. For the first twenty-four hours, the 3,721 citizens of DH struggle simply to stay alive. Then ... things begin to come out of the rain. Eyeless, skinless, razor-edged creatures in a thousand different shapes, some as big as a house, some as small as a tumor...