John tries to overcome the civilization tragedy of this era by tracking the future of man, and Hyun-woo is young people who try to overcome it by tracking the human past. Between them, a woman, So-yeon, who symbolizes that only love is human salvation, intervenes and a love triangle is formed. One day, Yo-seob goes missing while flying a hang glider in Halla Mountain, and Hyun-woo and So-yeon form a family by raising Yo-seob's child, Darin. After four years, Hyun-woo and So-yeon leave for Jeju Island and reminisce about Yo-seob when they hear that Yo-seob may be alive. But Yo-seob was nowhere to be found. Hyun-woo and So-yeon head to the uninhabited island, which they considered to be an ideal island, listening to the hearing of the songs he enjoyed singing at Yo-seob's tomb. It is a movie that persistently traces the dreams, ideals, and the end of love of these three young people.
