Songstress Sarah Fitzgerald takes a mysterious girl named Rouge as her helper. After one of her performances, Sarah and her lover are attacked, and a woman named Naomi approaches Rouge with information about Sarah. What is Sarah hiding in her past?

Rouge and Naomi take a bus across Mars in search of the next Immortal Nine member. Suddenly a convoy of armed vehicles attacks the bus. They turn out to be a force of mercenaries targeting Rouge. The bus escapes into a forest, but breaks down...

Naomi meets with Gene Junghardt as more pieces of the puzzle are revealed. Meanwhile, Rouge, who is due to be transferred to Ochrona, has an unexpected reunion.

Rouge reunites with Gene and they visit Dr. Junghardt's Memory Library. Rouge traces his memories to learn about herself, Code Eve, and Dr. Jung's goals. Then a girl shows up claiming to be Rouge's younger sister, Cyan...