Yuko lives with her father-in-law in her husband's family home, and one of her troubles is the occasional presence of her brother-in-law, Keisuke. She dislikes him for his lack of delicacy and rough manners. On the day of her father-in-law's 70th birthday celebration, where the extended family gathers, including Keisuke, Yuko initially hides her true feelings. However, at the banquet, drunk, Keisuke boldly approaches her. And as the night wears on with everyone intoxicated, Keisuke approaches Yuko with a flushed face...