The game takes place in a cyberpunk sci-fi universe where the population is entirely made up of women; the men have all been killed, and the few survivors are mindless slaves. The reproduction of the population is ensured by the cloning technology of a powerful corporation, Alcyon, led by Kiyiana Soro. The player embodies a mercenary, Kahlee, who works for her own account. Kahlee comes to gradually unveil a dangerous project called Pax Corpus. Pax Corpus was created by Dr. Ellys on behalf of Kiyiana Soro. It is a terrible weapon which emits a radiation capable of taking away all freedom of thought from anyone exposed to it for too long; the people who are exposed to it are integrated into a collective entity subject to Alcyon. Kahlee must foil this plot, while maintaining a love-hate relationship with Kiyiana Soro.