Picked on, overweight genius Owen tries to invent a television that can see the past to find out what happened the day his parents were killed.

Sophomore Hallie Calhoun, her former friend Jonah, and her new friend Rachel leave a church youth group hike in the Great Smoky Mountains and become lost for five days, struggling to survive as Hallie finally speaks about the incident that made her a social pariah and Jonah admits why it hurt him so much.