The Hirata are a typical family residing in picturesque Kosai, Shizuoka Prefecture. Their lives are thrown in chaos when an earthquake strikes and causes a nearby nuclear power plant to explode. They must evacuate their home.
| Actor | Role |
|---|---|
 Shirô NamikiToshio Hirata | Toshio Hirata |
 Tomoko SaitōYoshie Hirata | Yoshie Hirata |
| IIzumi HirasawaAkane Hirata | Akane Hirata |
| WWakana HashimotoMai Hirata | Mai Hirata |
 Taro YamamotoKotaro | Kotaro |
 Issei IshidaKenji | Kenji |
 Cocoro FujinamiNamiko | Namiko |
 Masaki KitaharaJunpei | Junpei |
 Kim Soo-JinChief Cabinet Secretary | Chief Cabinet Secretary |