The protagonist living alone at high altitudes on a toxic Earth. She raises bees to clean the atmosphere and later discovers a new immune queen bee. After her boyfriend departs on a 10-year voyage and Micah leaves for the shuttle, she chooses to stay, adapting to the changed environment and waiting for humanity's return.
Sam assumes a protective, maternal role for the next generation.
Two survivors team up for the final journey to the evacuation shuttle.
Explore the full interactive character relationship map of IO