该影片讲述了由于人类的过度开采，导致资源枯竭，地球环境恶化，人类移居太空，主角裴鸿萧受命带领队友在净化地球过程中与地球上危险的变异生物斗智斗勇，独自背负重任，突破重重险恶困境，以及秘密执行寻找转化空间站水污染芯片任务的故事。
尽管存在许多分歧，受精神疾病困扰的创作歌手卡西和陷入困境的海军陆战队员卢克同意仅出于利益而结婚。但是当悲剧发生时，真实和虚假之间的界限开始变得模糊……
Unlike most people, Melody cannot walk or talk, but she is smarter than most of the adults who try to diagnose her. Her classmates dismiss her as mentally challenged but Melody refuses to be defined by cerebral palsy.
