In the near future, technology has made leaps and bounds: videophones and constant wireless internet are available to everyone. However, the government has been careless, and a skilled hacker broke into the national information archive. Using the data he accessed, the hacker created the Platonic Chain website, allowing people to discover information about themselves and their friends. Rumors quickly spread that the site lets anyone look up anything. Coincidentally, three young girls, Hitomi, Rika, and Kanae, gain access to the site.