某天，世界各地接连出现奇怪现象：安装心脏起搏器的病人突然暴亡、鸽子迷失方向四处乱撞、金门大桥断裂、罗马竞技场遭到密集雷电袭击……一时间，人类陷入前所未有的恐慌，似乎恐怖的世界末日就在眼前。各国政府及军队紧急动员，急切找到这一连串灾难发生的原因。
在这关键时刻，地质物理学家乔许·凯斯（艾伦·艾克哈特 Aaron Eckhart 饰）探明真相，原来地核因某种未知的原因停止转动，导致磁场消失。为了拯救人类和地球，乔许以及蕾贝卡·柴德（希拉里·斯万克 Hilary Swank 饰）、罗伯特·艾维森（布鲁斯·格林伍德 Bruce Greenwood 饰）等专家组成一支救援小组，共同前往地球中心实行艰巨而充满危险的拯救任务。人类的命运命悬一线……

A 23-year-old slacker tries find his way amidst the oppressive suburban environment where he was raised in this Canadian comedy-drama. Amiable Trevor McIntosh faces two major problems. He wants to get away from his overbearing mom, philandering father and his older brother; and he wants to lose his virginity. Trevor tries hard at the latter, but can't seem to connect with the young women who interest him. Then he meets Charlotte Peacock, an artist in her '60s. She accepts Trevor and encourages him. They start out as friends, but gradually become much more.