As darkness falls over northern California, twelve-year-old science-nerd Jacky Spacer and his ten-year-old brother Chris watch a huge fireball flash to earth out beyond their father's apple orchard. Despite Dad's dire warning to stay at home, Jacky feels certain that someone or something is calling out to him from the crash site. This is the extraordinary story of the earth-shaking events that unfold after the boys sneak out to explore the site in the dead of night. Their mind-boggling discovery not only turns them into fugitives from a nosy local lawman, it also turns their world upside down. Eventually, it even reveals an explosive secret about the earth's future so big that the kids must help save the planet.