Geoffrey DeWinter and his wife Keirah live on a dying Earth. The only refuge is an alien world that needs human women as mates, only Keirah refuses to leave her husband to save herself. Geoff decides to bring them to an auction house that takes married couples, accepting that he will have to share her with another.

Their shuttle is attacked by Xyran raiders looking for women and it's Keirah who defends them. When Captain Krig sees Keirah looking like an angel come to life, he wants her. The Alphan warrior wants her enough to accept her husband, thinking he will deal with Geoff in some way or another. But when a vengeful Xyran comes after Keirah they have to take refuge on a wilderness moon, forcing them to work together to survive. Is their love for Keirah enough to turn them into a family?