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.

This is the story of a woman who enters the world of sales. She works at a company in Ginza as a typist. She determines that she needs money for her family and herself and asks her co-worker, who is a salesman, for guidance on sales. Armed with the information he provides, she begins in sales and is successful. Her original guide eventually begins to feel strange about her...