Jena Habib thinks she does not belong in this world. Of course, she's right.
Katelyn Applewood is convinced that her mother is keeping a huge revelation from her; Tim McDonnell believes that his teachers belong to some secret society; and Javier Garcia's mother warns him pretty much every day that the world is about to end. Funny thing is...every one of them is right, too.

Centerton seems like a typical suburb with a normal high school, filled with ordinary students, taking regular classes. But the world is more complicated than anyone at Centerton High might believe. There are scarier things than sophomore geometry, bigger challenges than making varsity, and more at stake than anyone imagines. A world is in danger—possibly two worlds. And the only hope either world might have will depend entirely on what happens with the Sun and the Moon.