A large-scale network failure broke out in the heart of the Greater Tokyo Area. Fifth grader Yagami Taichi stayed at home on his own to prepare for the children's summer camp that was being held over the weekend. Meanwhile, his mother and younger sister, Hikari, who went to Shibuya, were aboard a train that completely lost control as a result of the network failure. Knowing that, Taichi rushed to Shibuya to rescue both of them. At that moment, he heard a mysterious voice...
Elenco: Yumiko Kobayashi , Ryoko Shiraishi , Miwa Matsumoto , Kinoko Yamada , Takeshi Kusao , Takahiro Sakurai , Chika Sakamoto , Masako Nozawa , Mie Sonozaki , Junko Takeuchi , Daisuke Namikawa , Yuko Sanpei , Mayumi Yamaguchi , Atori Shigematsu , Marika Kouno , Misaki Watada .