After the bloody battle against Hades, the goddess Athena and her saints are still recovering when they find themselves face to face with their newest and most formidable foe: the dreadful moon goddess Artemis. Artemis replaces Athena as the earth guardian deity and takes over the Sanctuary, turning Athena's Saints into her servants. Upon invading the Sanctuary, the Bronze Saints learn that Athena was banished by Artemis and decide to fight the moon goddess in order to rescue their true goddess and free the Earth from Artemis's ominous control.

Universal Century 0087, Char Aznable has now become the leader of the AEUG. Scirocco, the man from Jupiter, schemes to seize control of the Titans. Haman, the Axis leader, is attempting to restore the Zabi family. Through politics and strategy, these three powers struggle for dominion over the Earth Sphere. The war builds to a deadly endgame around the space colony Gryps 2, which has been converted into a giant laser cannon. What destiny awaits Kamille at the end of the conflict? This is the final part of the Mobile Suit Zeta Gundam feature trilogy, which features enhanced animation and theme songs by GACKT.