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.
While Keisuke and Jiro were brothers, the characters of the two were opposite. My older brother Keisuke was a sophomore college graduate, a honest and passionate young man, but his brother Jiro was only a student of a ronin who failed in taking the university and was playing. Such two people had a dream. Keisuke traveled wandering at his own trailer house, Jiro became a racer, had a dream of surrounding the world.
A trio of high school boys get summer jobs at a seaside resort. Soon, however, they learn that the woman who runs it is in financial trouble. The three decide to help her.