Injeong, a promising contract designer with only a high school diploma, ends up making poor decisions out of inferiority complex about her academic background. On one unlucky day, a strangely unpleasant smell follows her all day.
Yoonchul is a sculptor, but he mostly makes living with an interior design job. He is divorced, and his daughter fails to fit into the school life and is considered a troublemaker, although she shows much talent in art, like her father. One day, Yoonchul meets an attractive woman, Youngji, and falls in love with her.
Song Jin-Woo (Kim Dae-Gun) has worked as a non-permanent contract employee for the past 4 years at Moojin Girls' High School. He is a good teacher and dreams of a school where no one is left out. New contract teacher, Yoo Sung-Pil (Moon Yoo-Kang), comes to Moojin Girls' High School. When Song Jin-Woo was a high school student, he was bullied by Yoo Sung-Pil and other students.
Same-sex couple Eun-soo and Ye-won are living together happily. One day, a terrible traffic accident occurs and Eun-soo is seriously injured and her sister Eunhae dies. Eun-soo is disabled and Eunhae's daughter Soo-min became an orphan. Now Eun-soo and Ye-won are in a position to take charge of Soo-min.
The story of Da Eun, a woman who gets ready to move out of the semi-basement home she's lived in for the past 8 years since she was 23 years old. She finally passes her civil service examination and she prepares to move out.
Yeon-su, the police officer, is dispatched to an island and starts to witness strange situations. Yae-un, who lives in the island after she lost her parents when she was young, and the others´ behavior terrifies Yeon-su. Film director Park who constantly focused on stories related to human greed and collapse, deeply explores the guilt of human and the possibility of redemption again.