A scientist builds a massive ark after his warnings of an Earth-destroying flood are ignored. But when it's evident the disaster will occur, those who maligned the scientist now turn to him in desperation, boarding the ark and seeking his answers before the world drowns in a never ending sea.

凛冬忽至，一股北极刮来的冷空气毫无征兆地南下，袭击了美国俄亥俄州的西南部城市辛辛那提。对于如何应对极端天气，公共图书馆的管理者和无家可归的人们产生了不同意见，其中一些流浪者夜间躲进图书馆中，以抵御室外的严寒。然而，这一原本温和的抵抗行为却逐渐演变为一场僵局。警方介入调查，媒体喋喋不休，各方都不断揣测着事情的原委，企图还…