The crew of Annex I faces off against Terraformars, humanoid cockroaches that descended from those sent to Mars centuries ago. Their struggle against these creatures is complicated by the discovery that some squadrons have ulterior motives, driven by their respective countries' agendas. This internal conflict adds a new layer of complexity to their already dire situation, as they must now contend with both the Terraformars and rival factions. The battle for survival becomes a fight for international dominance.