The movie starts out with Katsuhiko going to the US, with Kasumi and Yusaku seeing him off at Narita. Two years later, Katsuhiko is a professional racer, and comes back to Japan to race (and to marry Kasumi). Yusaku's hobby is photography.

Despite being a refugee from an extinct planet, having an alcoholic as a father and an airhead for a mother, Maris' biggest problem is that she's a Thanatosian. Considering that Thanatosians are six times stronger than the average Earthling it shouldn't be such a curse, especially in a galaxy where violence is rife. But the accidental destruction she wreaks on everything she touches —even with the exotic alloy restraints she wears— means she's constantly in debt. Every mission she's assigned to by the Inter-Galactic Space Patrol becomes a cash-drain when all the damages are docked from her wage. But when she's selected to rescue the rich and sexy Kogane Maru it's like a dream come true. After setting him free from the terror of his ruthless kidnapper his eternal gratitude will surely guarantee marriage —and an end to all her financial headaches.

Suzuko Homura and Chinatsu Morikawa's victory against the nefarious Bookmaker Kou Satomi has allowed the two girls to finally return to a life of normalcy and seize the chance to move on. However, the peace does not last long, as Kiyoi Mizushima requests Suzuko's help to prevent the next cycle of Selector battles; even after Satomi's defeat, efforts to continue his plans seem to persist. Troubled by lingering doubts and the unresolved situation, Suzuko decides to assist Mizushima with her investigation—unknowingly becoming involved in the escalating fight that will determine the fate of Selectors once and for all.