After a passenger ship sinks in 1954, Go Akutsu devises a life-saving project in the form of a tunnel under the Tsugaru Strait. While working on this project Akutsu becomes involved with Tae Makimura leading to his estrangement from his wife.
| Production | Michio Morioka | Producer |
| Camera | Daisaku Kimura | Director of Photography |
| Production | Tomoyuki Tanaka | Producer |
| Production | Shirō Moritani | Producer |
| Writing | Toshirō Ide | Screenplay |
| Production | Juichi Tanaka | Producer |
| Writing | Shirō Moritani | Screenplay |
| Art | Yoshirō Muraki | Set Designer |
| Directing | Shirō Moritani | Director |
| Editing | Michiko Ikeda | Editor |
| Sound | Kôsetsu Minami | Music |
| Writing | Takashi Iwakawa | Original Story |
