A然而，生活的单调不能奏出优美的音乐，世界的庸俗不能激发出灿烂的火花，人类情感的温暖和寒冷不能融合成五彩缤纷的彩霞。所有这一切给人类的孤独增加了更多的忧郁和沉默 teenage girl is raised underground by a kindly robot"Mother" -- designed to repopulate the earth following the extinction of humankind. But their unique bond is threatened when an inexplicable stranger arrives with alarming news.