After being wrongly imprisoned for murdering her husband, a woman returns to the house where the incident occurred to solve the mystery of his death.

Private tutor Eonju lives in a tightly packed student apartment. She is sick of poverty and works hard to get her own room. She meets Seok-hee, a middle-aged woman, at a homeless shelter. The emotions of the two women are overwhelming throughout the screen.

Yeong-ho tries to keep his heart disease a secret from his wife but he becomes so depressed over his condition that he can no longer function at work and loses his job. To earn money, his wife takes a job with a family friend but Yeong-ho misinterprets his friend's act of kindness. He leaves home in a fury leaving his wife to discover the cause of his behavior and to begin a frantic search for him.