Niji tatsu oka (1938)

A half brother and sister work at a hotel in Hakone respectively as a porter and a souvenir shop clerk. They are close. One day a woman named Hasegawa checks into the hotel in order to recuperate in a calm environment with fresh air. She is the mother of the store employee. The mother and daughter were separated due to the Kanto earthquake. The girl was practically raised by her older half brother.