Ford Brody, a Navy bomb expert, has just reunited with his family in San Francisco when he is forced to go to Japan to help his estranged father, Joe. Soon, both men are swept up in an escalating crisis when an ancient alpha predator arises from the sea to combat malevolent adversaries that threaten the survival of humanity. The creatures leave colossal destruction in their wake, as they make their way toward their final battleground: San Francisco.

经过四十亿年的漫长演变，地球变成一个物种繁多、资源丰富、奇特美丽的蓝色星球。然而自人类出现以来，我们只用了二十万年的时间，便将地球的宝贵资源消耗殆尽。珍稀物种灭绝，原始资源奇缺，污染日益严重，人类以及地球的明天将何去何从？ 导演扬恩•亚瑟经过15年的筹备，历访50多个国家拍成此片。本片素材长达488小时，拍摄周期为21个月，共动用88,000名员工，从澳洲海底的大堡礁到非洲肯亚高原的乞力马扎罗山；从亚玛逊热带雨林到戈壁沙漠；从美国德萨斯州连绵不断的棉花田到中国上海、深圳的工业城镇。影片以上帝的俯瞰视角向世人展现地球的绝美以及日趋危急的现状。明天并不遥远，但我们该选择怎样的未来？