The sun is dangerous. It sun can burn you, give you cancer, and eventually kill you. Laney learned that lesson the hard way when her mother died. But even in Arizona, sunscreen can keep you safe. So can keeping others at a safe distance, because Laney is too terrified to suffer the pain of losing someone so close again. But that all changes when a mysterious pulse of light, brighter than the sun, fills the sky on the day of the big Physics field trip...