On weekdays from 1pm to 5pm, I changed from wife to woman...

Yuriko is a wife who has been married to an indifferent husband for 12 years and lives an ordinary married life. I wanted to make a difference in my life, so I decided to attend a photography culture school. Yuriko is pleased when Tajima, whom she met, asks her to be a model for the photograph, and praises her for being beautiful. Later, Tajima invites him to eat, but he says that he's married, and he suppresses his shaking feelings and refuses. Yuriko regrets this, but due to a breakdown in the water, a plumber invited to her home meets by chance in Tajima...