在这部机关车先生剧情片中,Seigo Yoshioka (Kenji Sakaguchi) is a teacher that became mute after a kendo accident. He feels lost after the accident and eventually decides to teach again on a small island where his mother was born. The children there on the island quickly name him “Kikansha Sensei” (Teacher Locomotive) after learning he is mute.
The parents on the island are mostly hostile to Seigo Yoshioka, believing he is incapable of teaching their children. But with Seigo Yoshioka’s determination and kindness, a strong bond develops between the students and the mute teacher, which then changes the parents’ opinions of Seigo Yoshioka. Suddenly, tragedy then strikes …
A young man named Yoshioka Seigo arrives at the only elementary school on a small island to find work as a temporary teacher. The only problem is he's a mute. Initially, both students and their parents have reservations about the idea of a mute teacher, but Yoshioka's kind-hearted personality eventually wins them over. Unfortunately, one day tragedy strikes.