Includes the short story prequel "Opening Worlds" at no additional cost!In this sequel to Cari Z's "Opening Worlds", former starship captain Jason Kim travels to Perelan, the homeworld of his lover, Ferran, to start a life together. The ruling council of the Perels have allowed this unconventional union to continue in the hopes of strengthening relations between themselves and the humans. And while Ferran's family welcome Jason with open arms, not all of the other major families are as pleased. The arrival of an outsider to their insular, subterranean world challenges the traditions of centuries.Tensions soar as old rivalries are rekindled in the wake of Jason and Ferran's relationship. Inevitably, something snaps. Jason and Ferran soon find themselves literally fighting for their lives when xenophobic anger pushes things beyond the breaking point. Only their devotion to one another can see them through, but a ghost from Jason's past threatens even that. With Perelan on the brink of civil war, Jason and Ferran must find a way to stand together in the face of chaos and to change the world on their own terms before it tears itself apart.