When seventeen-year-old Revna is caught using illegal magic, she's terrified of being branded a traitor and being sent to jail. Linn? defied her father, a Union general, and disguised herself as a boy to join the army and fight on the front lines. Both Revna and Linn? are offered a reprieve if they use their magic in a special women's military flight unit. The two girls can't stand to be in the same cockpit, but if they want to survive, they'll have to learn to work together.
