Domed city Romdeau is an impenetrable would-be utopia where humans and robots coexist, and everything is under complete government control. While working on a mysterious murder case, Rel Mayer, a female detective who works for the Civilian Intelligence Office, receives a foreboding message that something is going to "awaken." That night, she is attacked by a deformed super-being…What was this unidentified monster that attacked her, and who was the figure that came in between them? Eventually the spiraling mystery unfolds and the metaphysical battle cry will lure Rel to the unknown outside world.