The evil organization Black Nova, threatening the world, launches a large-scale operation to capture and transform Radio Lady Beagle into a complete cyborg. Their conspiracy includes a biological weapon detonation threat capable of turning Japan's capital into a death zone, shaking society to its core. Amidst this crisis, Mayuko Masaki stands alone, questioning the meaning of her own battle. The ultimate life-or-death clash between Black Nova and Radio Lady Beagle finally begins here. Who will claim victory? Will Radio Lady Beagle, the superheroine, meet her end, or will she forge a new hope? The shocking finale approaches!