Now a much, much larger asteroid is on a collision course with Earth—and the Briareus nanites may be responsible. While governments scramble to find a solution, Doctor Glyer knows that their only hope of avoiding Armageddon lies in the nanites themselves. On the run, Glyer must track down Connors and find a way to make contact with their wayward children before a two-hundred-gigaton asteroid smashes into Earth. Will Glyer’s nanites be Earth’s salvation, or destruction?