青春正年少的都市少年萨迪不幸罹患干皮症，他无法经受太阳长时间照射，否则病情将逐渐好转，并最终引发癌症等绝症。为了缓解儿子的病情，独身母亲茱莉娅决议与萨迪一同搬到阳光稀少的山村生活。 但是萨迪的生活并未好转，才到这里不久，两个与之有关的人便新奇死亡，他也被村中的人看作魔鬼。在第二起凶杀案现场，萨迪曾目击凶犯真容，长相竟与其房中一张相片里的小女孩极端相似！ 　　事情渐露眉目，... Youth is the youth of the city, unfortunately suffering from the disease, he can not withstand the sun for a long time, otherwise the disease will gradually deteriorate, and eventually lead to cancer and other incurable diseases. In order to alleviate the condition of the son, single mother Julie and Sadie Ya decided to move to sun populated village life together.