What would you do if it rains in your city for two hundred days already, lightning burns down houses, and people become apathetic and easy to control under the influence of the precipitation? A talented scientist-biologist would like to pretend that none of this concerns him. But when people nearby begin to die, he realizes he simply must figure out the causes of what’s happening. Whom or what will he have to meet to solve the mystery of the endless rain? Can he save his friend and the woman he loves? What terrible yet inevitable decision will he have to make?