What happens when one ice shelf melts that tips the balance, sending waves to engulf the continents and changing the world's geography? Only the Citadel, a space community pioneered by Samuel Goldstein, escapes, but climate change is not the only danger that threatens.

Three thousand years later, Revin Goldstein discovers that the Citadel is becoming structurally unsound. He mounts an expedition to explore the possibility of reoccupying Earth, unaware that treachery is afoot that will jeopardize his undertaking. While Revin tries to carry out the Goldstein legacy, Lars is out to destroy...