The year is 2048 and the world is divided into five unions. Jeehye is a photography student until her father makes her a killer for the Korean fundamentalism society called For Mass. Jeehye's mother commits suicide because she is deeply shocked by the choice of her husband. 6 months after mother's suicide, Jeehye comes to Paris to look for missing Korean scientist Sunil, an expert for the study about practical use of Allazay. Jeehye forms an intimacy with Alice throughout Brain communication to connect two people's brain and share their memory. 6 months later, HyunSeuk, Jeehye's brother, comes back to Seoul from Moscow.