The act of power that opened the way for the Ravens to enter and take Lune has left Turn the Three-Faced broken and powerless to end the Rooks' and Crows' continuing siege of the city. Suspicion and hatred divide the tribes, but there only chance to survive the mysterious Moravici's dark machinations is to stand together—and Turn, though she can no longer walk, must learn to fly . . . and cast the bones a final time.