The year is 2035, and humanity has made immense strides in science, technology and multimedia, resulting in universal governance and cyber conflicts fought by adept hackers. A colossal multinational corporation holds unrivaled dominance, while GEONOID safeguards against natural calamities. Kang Maru, a 14-year-old virtuoso at maneuvering high-tech simulation game, RESTOL, is specially selected by GEONOID to operate RESTOL 03, one of five lifesaving RESTOLs. Nonetheless, Maru and his crew confront numerous obstacles, such as a malicious hacker attack on their cosmic emergency hub, R-SAT.