少女克莱尔(艾玛·罗伯茨 Emma Roberts饰)和海莉(乔安娜·利维斯克Joanna JoJo Levesque饰)是一对靓丽活泼的好友。海莉的母亲是海洋生物学家,她开学之后就要随同家人离开美国前往澳洲。两个好姊妹的即将天各一方,她们趁着这个暑假来到海滩上尽情游玩,心里盼望着一起的日子可以长些,再长些。在这里,她们碰到了一件怪事:一条传说中的美…
The film describes the events leading up to, and including, the massacre of the adults of a small town in Nebraska by their children, after the adults' irresponsibility ruins the crop and the children's future.