After several years of marriage to a wealthy husband, Mary finds herself in trouble because of her husband's moral harassment. One day, when she is about to lose her place, Mary is assigned a cleaning job by her husband because a client wants to see the vacant tenant downstairs. There, Mary meets a homeless young man. "I want a place to belong." The two people from similar backgrounds but different social statuses are attracted to each other and have secret meetings in an empty boarding house.