An old train engine endeavors to be useful despite the more modern transportation now available in the big city. The story was taken from a highly popular storybook series. Traditionally animated movie Toei based on a bestseller picture book by Agawa Hiroyuki, illustrated by Okabe Fuyuhiko and published in 1959 by Iwanami Shoten Publishing.

Ce synopsis est en anglais : nous ne l'avons pas encore traduit.