一个年轻的父亲带着他的九岁的儿子、他儿子的两个朋友以及一条拉布拉多狗一行五个人（加狗）登山游玩不幸被闪电击中...... 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.