Jeong-hee brings her mother, who has dementia, to her house. 　　Jung-hee and her mother go through many psychological conflicts while living together. 　　One day, Jeong-hee goes to an old market with her mother. 　　And a long time ago, Jung-hee remembers that her mother abandoned her. 　　At the market, Jung-hee lets go of her mother's hand. 　　And Jeong-hee rides the bus alone.