Tokyo Magnitude 8.0: Complete Collection [DVD]

After a massive earthquake in Tokyo 25 km under the sea at a magnitude of 8.0, two young siblings Mirai and Yūki, who were visiting a robot exhibition in Odaiba at the beginning of their summer vacation, struggle to reach their parents in their house in Setagaya, assisted by a female motorcycle courier named Mari, who is striving to reach her own daughter and mother in Sangenjaya. Together, the three of them brave the partly ruined city and try their best to make it home safely.