Chang-soo’s family seems to be the representative of the middle class family in Korea. Headed by Chang-soo, a high school English teacher with a tag of incompetence, Hee-kyung, a ordinary housewife who leads a life with her husband like brother and sister. And a daughter and a son, Yong-sun and Yong-tae. And Mi-kyung, Hee-kyung’s sister, who flatters this family. All of them look emotionless to everything, but are their innermost feelings the same as what they look like?