| Shingo Katori stars as Kuramatsu, a manager- foreman for Kumagaya Construction. In order to solve an acute energy shortage in the Kansai region, Kansai Electric Power decided to built a massive hydroelectric dam on the upper Kurobe River. However, the project requires the drilling of a huge tunnel that some, including Kuramatsu, believe is impossible. |
| Name | Character | Episodes |
|---|---|---|
| Kyoko Fukada | Ayako Kawaguchi | 2 |
| Jun Fubuki | Fujie Takiyama | 2 |
| Kaoru Kobayashi | Kunpei Takiyama | 2 |
| Shingo Katori | Hitoshi Kuramatsu | 2 |
| Mirai Shida | Mitsuko Takiyama | 2 |