Satomi is a Showa-era wife who follows her husband three steps behind. Now in her fifth year of marriage, her nighttime life with her husband has become lonely. While pretending to be happily married, she does her best to suppress her boiling sexual desire. One day, she is caught masturbating in the kitchen in broad daylight by the rice shop owner who came to take orders! Satomi tries to save the day, but the excited rice shop owner barges in...