Life on Fortune is hard. The atmosphere is poisonous, the planet hardly fit for life. But for its inhabitants, it's home.
Pilot Cora suffers from a rare and dangerous condition, brought about by her bond with Colibri, the alien animal she pilots to quarry vital water for the colony. If Cora seeks treatment, she risks losing her license - and her connection to Colibri forever.
Then she meets Signy, a brilliant but reclusive botanist, whose bio-printed medicine is the only thing that can save her. But to do …