Ver en Cuevana. Jessica, an American female programmer, comes to Japan to develop a cutting-edge robot for her brother Brian, who has an incurable disease that causes him to lose the use of his limbs. As the development of her robot program progresses, a series of bizarre phenomena begin to strike. In fact, Jessica has an idea about the phenomena. Before coming to Japan, a network application she had released in the U.S. had resulted in a suicide.