A global scientific summit debates and fails on a plan to stop a massive asteroid heading straight for Earth, with all countries blaming each other for the impeding disaster. With communications tense, the daughter of a tech billionaire assembles her own team of specialists to try to destroy the asteroid before it is too late.

When Claire Carpenter's dad sends her to Australia to coach an elite boys swim team, Claire finds herself face to face with long-time rival Mikayla Michaels, and the news that the camp will close if the team loses the next meet. To save the camp, Claire must overcome a secret fear, put aside her differences with Mikayla and rediscover her passion.

故事发生在繁华的都市伦敦，佩吉（弗兰西丝·奥康纳 Frances O'Connor 饰）是一名家境十分贫寒的单亲妈妈，住在破旧的老房子里，独自抚养着三个孩子珍妮特（麦迪逊·沃芙 Madison Wolfe 饰）、玛格丽特（劳伦·埃斯波西托 Lauren Esposito 饰）和强尼（Patrick McAuley 饰）。最近，房子里出现的一些灵异现象让一家人陷入了恐惧和绝望之中，更糟糕的是，年纪最小的珍妮特似乎成为了恶灵附身的对象。