It has been 4 years since the decisive battle between the private armed organization, Celestial Being, and the human alliance army. Celestial Being disappeared, and the world was unified from three huge national alliances into a coalition government. However, this is only an appearance. On the surface, the political unity, but the secret military organization A-LAWS is secretly engaged in armed suppression, suppressing all organizations and groups that oppose the coalition government. Such a world has not changed. Human beings are still not freed from wars, disputes, and contradictions. Celestial Being returns again! Gundam pilot Setsuna F. Kiyohide drives a new model of robot, Gundam 00, to intervene again by force. This time, Celestial Being has to face not only the mobile suit troops of A-LAWS, but also the mysterious organization Reformer, whose leader, Revonz, is planning a bigger conspiracy! "Mobile Suit Gundam 00" animation series Season 2.