Sachiko is the 17-year old daughter of radiotherapist Professor Oshima. After exposure to radiation in the hospital, she develops leukemia. As if that was not enough trouble for one lifetime, discovers that Oshima is not her real father, and that her boyfriend is really her half brother.

The popular Shinkansen bullet train serves as the setting for a series of romantic encounters, from youthful flirtations to mature relationships, office affairs, and simply the love of life itself. A common thread is maintained by the young chief conductor and his crew of well-worn professionals and first-time pursers.

A romance drawn under the theme of "As long as human beings have love, as long as they live thoroughly for love, they will never be unhappy."

Atsumi Kiyoshi, famous for his role in Torasan, stars as Aoki Goichi, a veteran train conductor who dedicates himself in providing quality service to his passengers. With his many years of experience, he never fails to find solutions for any troubles that occur along the way. A comedic drama revolving around the lives of those who ride the express train.