Yu, a married woman who unconsciously exposes her bra. She is sexless with her husband, who is in his second year of marriage. While working on air conditioning installation, the man becomes aroused by Yu's peeking nipples and assaults her, resulting in her being impregnated. Despite being harassed several more times, Yu becomes addicted to the pleasure of sex and slips into an adulterous relationship... What awaits beyond the collapse of a single couple...?
