Natsumi, who worked at a soapland to feed her only son's education, remarried a customer's man and became a full-time housewife. One day, Manabu suddenly becomes withdrawn. The important husband does nothing and Natsumi asks a classmate she happened to see in the neighborhood to come and visit her house. Contrary to Natsumi's feelings, when he was hurting his head by a classmate of Manabu who stayed at home and behaved as he pleased, his bad friend found out that Natsumi worked at a soap in the past.