A young father takes his nine year old son, the family dog, and two of his son's friends backpacking in the mountains of Colorado only for all five of them to be struck by lightning....

　　影片根据真人真事改编而成。美国牧师托德·波普（格雷戈·金尼尔 Greg Kinnear 饰）三岁的儿子科尔顿·波普（康纳·科伦姆 Connor Corum 饰）盲肠破裂，在医院里紧急抢救，生命垂危。经过一系列急救，小科尔顿终于从鬼门关里活着回来了。随着科尔顿的渐渐复原， 一家人又开始了平静的生活。一日，科尔顿在不经意间提及了已经去世多年的爷爷，爷爷过世的时候科尔顿还未出生，这让父亲托德大为震惊...