Kimchi.

Jin-Yeong gets Kimchi by courier from her mother. Her older sister Jin-sook who lives with her mother gives Jin-Yeong a complexion with kimchi. Jin-Yeong is not comfortable with this relationship. Then one day, Jin-yeong goes to visit her mother's house in the country with her husband after hearing about her mother's car accident. Jin-Sook secretly scratches Jin-Yeong and eventually explodes.