Grace Barrows balances the demanding job of the Pentagon press secretary with the equally challenging role of a single mother. Grace's life is turned upside down when MIT graduate student Liam and tech genius Darius inform her that in just six months an asteroid will strike Earth and all life on the planet will perish. Grace is involved in a secret government mission to save humanity, and she does her best to shield her family from grim news while enduring trials that no one has ever faced before.