Ally, Bree, and Jack meet at the one place the Great Eclipse can be seen in totality, each carrying the burden of different personal problems, which become dim when compared to the task they embark upon and the friendship they find.
Ally, Bree, and Jack meet at Moon Shadow, an isolated campground, to watch a total eclipse of the sun; but soon they begin to learn a great deal about themselves, each other, and the universe.