Following her capture during a fierce battle, Iris awakens in the shadowed confines of Mirion, an enemy-held city far from the safety of the space federal. A devil's collar is locked around her neck, its lethal mechanism a constant reminder of the dangers of resistance. Isolated and stripped of her armor, the ace pilot must draw on her inner strength and memories of her partner Mei Ling to endure the trials ahead while seeking any path toward freedom.