The film tells the story of a newlywed couple working on the railroad (the husband is a train driver and his young wife works at a lathe) in a lyrical and poignant tone. Both have difficult personalities and their own views on life, but together they take an active part in the economic recovery of the country after the Korean War.
| Actor | Role |
|---|---|
 Won Jun YuYong-cheol, driver of the train | Yong-cheol, driver of the train |
 Hyeon-Sook KimEun-sil, Yong-cheol's wife | Eun-sil, Yong-cheol's wife |
 Mun Ye-bongYeon-hee, foreman of the female brigade | Yeon-hee, foreman of the female brigade |
 Choi Woon-bongparty organizer | party organizer |
| EEun-ryung RanHye-sook, girlfriend Eun-sil | Hye-sook, girlfriend Eun-sil |
| GGeul-сhoong ChanOk-san, girlfriend Eun-sil | Ok-san, girlfriend Eun-sil |
| DDean Ranmaster | master |
| BBongwon Kangassistant train driver | assistant train driver |
| HHan-young Kimfireman | fireman |