Two years after the events of Galaxy Express 999, Earth has become a battlefield, and Tetsuro is summoned to board the Three-Nine once more. In this, the shattering, full-length theatrical conclusion to Leiji Matsumoto's epic story, all questions will be answered and all mysteries will be revealed as Tetsuro embarks on a journey which will reveal a secret so awful, even Maetel herself can hardly bear to speak of it.