After astronaut Catherine Wells's ship undergoes a catastrophic event and loses contact with NASA, the entire world believes her to be dead. Miraculously - and mysteriously - she survives, though everyone else on the mission is lost, as are most of Catherine's memories of her time in space. Her reentry after a decade away is a turbulent one: her husband has moved on with another woman, and the young daughter she left behind has grown into a teenager...

When Matthew joins the Exo Project, which has the goal of securing a new home for humankind as the Earth's temperature rises, he meets Kiva, an exoplanet teenager with whom he feels a strong bond.

There are only two people who can defeat the Naxids and save the Empire - and neither is looking hopeful. Sula is on the ground trying to start a revolution with an army of three. Lord Gareth Martinez is with the Fleet raiding into enemy territory when he uncovers a murderous plot to see him and the Fleet destroyed.