Rebellion, and the shadow of war, spreads across a British colony powered by steam and mechanisms. Liberty, the printing press master, is desperate to aid the Minutemen. When she risks everything to become a rebel spy, she forges unity with foreign kingdoms against an unexpected foe. All the while she depends on her lover Georgia, the Lady of the governor's mansion, to keep her secret, even when their lives hang in the balance. If Liberty cannot navigate in this war of worlds to freedom, a mysterious being will overtake them all.